educating for teamwork coordination in simulated cardiac arrest situations

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ORIGINAL RESEARCH Educating for teamwork – nursing students’ coordination in simulated cardiac arrest situations Sissel Eikeland Husebø, Hans Rystedt & Febe Friberg Accepted for publication 15 January 2011 Correspondence to S.E. Husebø: e-mail: [email protected] Sissel Eikeland Husebø MSc RN PhD Student University Lecturer Department of Health Studies, Faculty of Social Sciences, University of Stavanger, Norway Hans Rystedt PhD RN Senior Lecturer Department of Education, University of Gothenburg, Sweden Febe Friberg PhD RN Associate Professor Institute of Health and Care Sciences, Sahlgrenska Academy at University of Gothenburg, Sweden, and Department of Health Studies, Faculty of Social Sciences, University of Stavanger, Norway HUSEBØ S.E., RYSTEDT H. & FRIBERG F. (2011) HUSEBØ S.E., RYSTEDT H. & FRIBERG F. (2011) Educating for teamwork – nursing students’ coordination in simulated cardiac arrest situations. Journal of Advanced Nursing 67(10), 2239–2255. doi: 10.1111/j.1365-2648.2011.05629.x Abstract Aim. The overarching aim was to explore and describe the communicative modes students employ to coordinate the team in a simulation-based environment designed for resuscitation team training. Background. Verbal communication is often considered essential for effective coordination in resuscitation teams and enhancing patient safety. Although simu- lation is a promising method for improving coordination skills, previous studies have overlooked the necessity of addressing the multifaceted interplay between verbal and non-verbal forms of communication. Method. Eighty-one nursing students participated in the study. The data were collected in February and March, 2008. Video recordings from 28 simulated cardiac arrest situations in a nursing programme were analysed. Firstly, all communicative actions were coded and quantified according to content analysis. Secondly, inter- action analysis was performed to capture the significance of verbal and non-verbal communication, respectively, in the moment-to-moment coordination of the team. Findings. Three phases of coordination in the resuscitation team were identified: Stating unconsciousness, Preparing for resuscitation, Initiating resuscitation. Coor- dination of joint assessments and actions in these phases involved a broad range of verbal and non-verbal communication modes that were necessary for achieving mutual understandings of how to continue to the next step in the algorithm. This was accomplished through a complex interplay of taking position, pointing and through verbal statements and directives. Conclusion. Simulation-based environments offer a promising solution in nursing education for training the coordination necessary in resuscitation teams as they give the opportunity to practice the complex interplay of verbal and non-verbal com- munication modes that would otherwise not be possible. Keywords: nursing education, nursing students, resuscitation, simulation-based environment, team coordination, video recordings Ó 2011 Blackwell Publishing Ltd 2239 JAN JOURNAL OF ADVANCED NURSING

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  • ORIGINAL RESEARCH

    Educating for teamwork nursing students coordination

    in simulated cardiac arrest situations

    Sissel Eikeland Huseb, Hans Rystedt & Febe Friberg

    Accepted for publication 15 January 2011

    Correspondence to S.E. Huseb:

    e-mail: [email protected]

    Sissel Eikeland Huseb MSc RN

    PhD Student

    University Lecturer

    Department of Health Studies,

    Faculty of Social Sciences,

    University of Stavanger,

    Norway

    Hans Rystedt PhD RN

    Senior Lecturer

    Department of Education,

    University of Gothenburg,

    Sweden

    Febe Friberg PhD RN

    Associate Professor

    Institute of Health and Care Sciences,

    Sahlgrenska Academy at University of

    Gothenburg, Sweden,

    and

    Department of Health Studies,

    Faculty of Social Sciences,

    University of Stavanger,

    Norway

    HUSEB S.E. , RYSTEDT H. & FRIBERG F. (2011)HUSEB S.E. , RYSTEDT H. & FRIBERG F. (2011) Educating for teamwork

    nursing students coordination in simulated cardiac arrest situations. Journal of

    Advanced Nursing 67(10), 22392255. doi: 10.1111/j.1365-2648.2011.05629.x

    AbstractAim. The overarching aim was to explore and describe the communicative modes

    students employ to coordinate the team in a simulation-based environment designed

    for resuscitation team training.

    Background. Verbal communication is often considered essential for effective

    coordination in resuscitation teams and enhancing patient safety. Although simu-

    lation is a promising method for improving coordination skills, previous studies

    have overlooked the necessity of addressing the multifaceted interplay between

    verbal and non-verbal forms of communication.

    Method. Eighty-one nursing students participated in the study. The data were

    collected in February and March, 2008. Video recordings from 28 simulated cardiac

    arrest situations in a nursing programme were analysed. Firstly, all communicative

    actions were coded and quantified according to content analysis. Secondly, inter-

    action analysis was performed to capture the significance of verbal and non-verbal

    communication, respectively, in the moment-to-moment coordination of the team.

    Findings. Three phases of coordination in the resuscitation team were identified:

    Stating unconsciousness, Preparing for resuscitation, Initiating resuscitation. Coor-

    dination of joint assessments and actions in these phases involved a broad range of

    verbal and non-verbal communication modes that were necessary for achieving

    mutual understandings of how to continue to the next step in the algorithm. This

    was accomplished through a complex interplay of taking position, pointing and

    through verbal statements and directives.

    Conclusion. Simulation-based environments offer a promising solution in nursing

    education for training the coordination necessary in resuscitation teams as they give

    the opportunity to practice the complex interplay of verbal and non-verbal com-

    munication modes that would otherwise not be possible.

    Keywords: nursing education, nursing students, resuscitation, simulation-based

    environment, team coordination, video recordings

    2011 Blackwell Publishing Ltd 2239

    JAN JOURNAL OF ADVANCED NURSING

  • Introduction

    Communication failure is responsible for up to 70% of all

    patient error (Kohn et al. 2000), which is strongly related

    to poor coordination among team members (Cooper &

    Wakelam 1999, Xiao and the Lotas Group 2001, Grote et al.

    2004). Nevertheless, the opportunities for team training in

    healthcare education are seldom offered in the medical

    and nursing education curricula (Kyrkjeb et al. 2006,

    McConaughey 2008). Previous research has emphasized the

    need for verbal communication to maintain effective coordi-

    nation in resuscitation teams but very little research has been

    done on how successful coordination takes place in simula-

    tion-based environments (Manser et al. 2008). In the present

    study, the research interest is extended to non-verbal com-

    munication modes, such as gestures and body movements,

    and the significance of such modes in team members efforts

    to coordinate their actions.

    Mannequin-based simulations are increasingly used as

    educational methods for training team skills (Anderson

    2008). Such simulators include a computerized full-body

    mannequin, which can be programmed to simulate the

    physiological conditions of various medical disorders and

    responses to the users interventions (Fritz et al. 2008).

    Simulation thus allows for interactive and engaging activity

    by recreating important aspects of a clinical event without

    exposing patients to risk (Dieckmann 2009). Of central

    concern in the present study is the potential of simulation

    with a full-body mannequin to give opportunities for nursing

    students to learn and practise team coordination skills.

    Research on simulations indicates that training with manne-

    quin-based simulators contributes to improved communica-

    tion and teamwork on the part of nursing students, thus

    leading to enhanced patient safety (Flanagan et al. 2004,

    Medley & Horne 2005, Fritz et al. 2008). However, there is a

    lack of knowledge concerning what aspects of the simulation-

    based environment are critical for students development of

    communication skills (Salas & Cannon-Bowers 2001).

    Research on coordination within teams

    In health care, coordination is an essential component of

    successful teamwork (Manser et al. 2008, Salas et al. 2008).

    The concept of coordination in the present study is under-

    stood as the act of managing interdependencies between

    activities performed by actors to achieve purposeful perfor-

    mance (Hindmarsh & Pilnick 2002, 2007). However, few

    studies have investigated team coordination in emergency

    care and more research is needed to identify the conditions

    necessary for the development of successful coordination in

    simulation settings (Manser et al. 2008). Most of these

    studies apply behavioural observation methods to the inves-

    tigation of coordination within teams (Cooper & Wakelam

    1999, Xiao and the Lotas Group 2001, Grote et al. 2004,

    Manser et al. 2008). The results of these studies reveal that:

    resuscitation teams need a coordination leader in order to

    perform effectively (Cooper & Wakelam 1999), the require-

    ment on coordination increases in line with task complexity

    (Xiao and the Lotas Group 2001) and effective teams are

    characterized by adapting their coordination strategies to the

    requirements of the situation, i.e. employing more implicit

    coordination in routine situations and more explicit coordi-

    nation in critical situations (Grote et al. 2004).

    One key finding in research on coordination is the

    distinction between explicit and implicit coordination

    (Manser et al. 2008). Explicit coordination refers to team

    members use of clearly addressed messages to coordinate

    actions (Serfaty et al. 1993), while implicit coordination is

    based on a shared but tacit understanding of the task

    requirements, which have usually been established in advance

    (Wittenbaum et al. 1998). Some contradictions exist in

    current research on coordination. On the one hand, a number

    of studies suggest that implicit coordination is both prevalent

    and effective in high workload situations where resources for

    explicit coordination may be limited (Entin & Serfaty 1999,

    Grote et al. 2004). On the other hand, research indicates that

    lack of explicit coordination in critical situations leads to

    coordination breakdowns (Xiao and the Lotas Group 2001).

    It has also been claimed that explicit coordination is

    associated with higher resuscitation team performance

    (Cooper & Wakelam 1999, Tschan et al. 2006).

    Explicit communication is one of the cornerstones of a

    training programme called Crew Resource Management

    (CRM) (for an overview, see Rall & Gaba 2005). CRM is

    used in healthcare team training to promote safe and effective

    communication among team members and is widely

    acknowledged to enhance team performance (Rall &

    Dieckmann 2005). Research demonstrates that CRM train-

    ing produced positive reactions in trainees, although it has

    been difficult to find evidence for transfer to clinical settings

    (Salas et al. 2006).

    All research reported above investigated teamwork perfor-

    mance by assessing verbal communication alone or verbal

    and non-verbal communication as separate entities, while the

    way in which speech and gestures are used simultaneously to

    achieve coordination was not taken into account. In contrast,

    the present study applies a research tradition rooted in

    interaction analysis, which investigates the way in which

    speech and bodily behaviour mutually constitute each other

    in the organization and production of moment-to-moment

    S.E. Huseb et al.

    2240 2011 Blackwell Publishing Ltd

  • actions in real time (Goodwin 2000). These studies focus on

    how team members establish a mutual understanding of the

    situation at hand and how effective coordination of actions is

    achieved on a collaborative level (Hindmarsh & Pilnick

    2002, 2007). Hindmarsh and Pilnick (2002) demonstrated

    how successful coordination between individuals was

    achieved in anaesthesia teamwork. The findings suggest that

    the team members learn to read the implications of

    embodied human behaviour for the specific demands of

    teamwork. The results of Hindmarsh and Pilnicks (2007)

    study show how the body constitutes an important resource

    for effective real-time coordination in anaesthetic teamwork.

    Both verbal and non-verbal responses are thus important for

    displaying their understanding to each other about how to

    continue with the task at hand (cf. Heath & Luff 1992).

    Consequently, not only verbal communication has to be

    addressed in order to understand the foundations of coordi-

    nation of purposeful actions, but also non-verbal communi-

    cation involving bodily aspects of human conduct. In line

    with this research, the present study focuses on how students

    interactively employ both verbal and non-verbal modes of

    communication in coordinating joint actions in simulated

    real-time tasks.

    The study

    Aim and research questions

    The overarching aim of the study was to explore and describe

    the communicative modes students employ to coordinate the

    team in a simulation-based environment designed for resus-

    citation team training. The following research questions

    guided the analysis:

    What is the significance of verbal and non-verbal commu-nication modes, respectively, and how do these interplay in

    the coordination of resuscitation?

    How do the students coordinate their activities to accom-plish joint assessments and actions in the simulated resus-

    citation team?

    Methods

    This study has an explorative and descriptive design (Polit

    & Beck 2010). Observation through video recordings was

    chosen due to the ability to capture complex interactions in

    natural social settings (Heath et al. 2010). Video data

    allow for different kinds of methodological approaches and

    both a content analysis and an interaction analysis were

    performed, which will be elaborated further in a section

    that follows.

    Participants

    A total of 81 students (72 female and 9 male) in the last

    semester of a 3-year nurse education programme, with an

    average age of 27 years (range: 2253 years), participated in

    the study. The students were divided into 14 groups, each of

    which comprised in average six members. Both genders were

    represented in four groups, whilst the rest consisted of female

    students only. The average age of the groups varied from 23

    to 33 years. The participant group was comparable with

    other student groups in Norwegian nursing education

    programme with respect to age and gender (Rykenes &

    Larsen 2010). Five female faculty members aged between 34

    and 60 (average age 49) with 2 years of experience in

    simulation were involved as facilitators.

    Ethical considerations

    The study was approved by the Norwegian Social Science

    Data Services (NSD) and the university. Consent forms were

    signed by the nursing students and the faculty and confiden-

    tiality was guaranteed. All those who were asked agreed to

    participate.

    Setting

    The study was performed in a simulation centre in Norway

    using a patient simulator (SimMan) controlled by a monitor

    located in an adjacent operator room. The mannequin that

    was placed in a bed exhibited clinical signs such as palpable

    pulses, breathing movements and sounds. A speaker located

    in the mannequins head transmitted the voice of the

    operator, thus giving the impression that the patient could

    talk. The placement of the two video cameras (A and B) used

    for the recordings can be seen in Figure 1. A microphone was

    positioned in the ceiling.

    The nursing students preparation prior to the simulation

    session

    Before starting the simulation session, the students attended

    lectures about individual skills training in Basic life support

    (BLS). According to European Resuscitation Guidelines from

    2005, BLS refers to checking for response, opening the

    airway to check for breathing and if absent, providing 30

    chest compressions and two breaths (Handley et al. 2005)

    (Figure 2).

    Prior to the simulation session, each group was given a

    briefing about the functioning of the mannequin. The

    facilitator demonstrated how the medical equipment worked

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2241

  • and introduced the learning objective, i.e. teamwork training

    for cardiac arrest situations. In this study the simulated

    patient was a 71-year-old woman, who had suffered an upper

    femur fracture and had been moved to the rehabilitation unit.

    The patient had a history of angina pectoris.

    At each simulation, the teams comprised three students.

    They were instructed to act in a similar manner to that

    used in the clinical field during the 15-minute simulation.

    The three remaining students in each group and the

    facilitator were present in the room and observed the

    simulation and in the next simulation scenario, the students

    changed roles.

    Data collection and analysis

    The whole data material consisted of 28 hours of video

    recordings of the simulated cardiac arrest events collected in

    February and March 2008 by the first author.

    The video recordings were systematically reviewed with

    focus on the students coordination of their activities. The

    most demanding parts of employing the algorithm turned out

    to be the first three steps (Figure 2) which correspond to three

    phases in the simulation scenarios: (1) stating unconscious-

    ness, (2) preparing for resuscitation and (3) initiating resus-

    citation. These parts, in all 28 groups, were transcribed (on

    average 3 minutes, 48 seconds) to include each students

    comments, gestures and actions and others responses to them.

    A closer data analysis was performed in two steps. First,

    content analysis was conducted to identify the form of

    communicative actions occurring in all groups (Krippendorff

    2004). All researchers (SEH, FF, HR) coded a selection of the

    sequences together, and then the main author (SEH) coded

    the whole data corpus. The entire coding was then discussed

    among the authors until consensus was reached.

    Further, all communicative actions were marked and coded

    with respect to whether they involved (1) verbal, (2) non-

    verbal and (3) simultaneous use of verbal and non-verbal

    communication. In addition, these modes were divided with

    respect to whether they concerned the accomplishment of

    joint assessment or assembling joint actions. Secondly, the

    number of all communication actions that occurred in the

    data was counted. A full list of categories and numbers,

    including examples, is given in Appendix 1.

    In a second step, an interaction analysis was performed in

    line with the recommendations of Heath et al. (2010) and

    Jordan and Henderson (1995). Initially, collective analyses

    were performed on seminars at the Linnaeus Centre for

    Research on Learning, Interaction and mediated Communi-

    cation (LinCS) in Sweden.

    Recurrent patterns in the participants coordination of the

    BLS algorithm were identified and specific attention was paid

    to the interplay between different communication modes.

    Three examples from one simulation session were selected for

    a detailed analysis of the complexity of the interplay between

    speech and gestures. These served as representative examples

    of patterns of interaction in the sense that they illustrated the

    28 simulations as a whole. By presenting an in-depth analysis

    of one group it was possible to see how every new action was

    based on previous activities of the group members (cf. Heath

    & Luff 2000, Hindmarsh & Pilnick 2002).

    Des

    k

    B

    Table

    Door

    Door

    Chair Chair ChairA

    One-way-mirror

    Operators chair

    Figure 1 The simulation room.

    Step 1. No movement or response from the patient

    Step 2. Open airway, check breathing for 10 sec.

    Step 3. If there is still no response and the patient is not breathing normally, start 30 chest compressions

    Step 4. Provide cycles of 30 compressions and 2 rescue breathing

    (Handley et al. 2005)

    Figure 2 Basic life support (BLS).

    S.E. Huseb et al.

    2242 2011 Blackwell Publishing Ltd

  • Findings

    The findings are presented in the three phases identified,

    corresponding to the three-first steps in the BLS algorithm:

    (1) Stating unconsciousness, (2) Preparing for resuscitation

    and (3) Initiating resuscitation. Secondly, the result of

    counting all the communication modes revealed certain

    emerging patterns, which are described for all groups in each

    phase. Thirdly, an in-depth analysis is presented of the same

    phases, illustrating the complexity of the interplay between

    different communication modes exhibited by the findings.

    Stating unconsciousness

    In the event of a suspected cardiac arrest, the first step in the

    BLS algorithm is to check whether the patient is unconscious

    (Figure 2). Identifying this point in time is critical, as it

    signals when the next step in the algorithm should be carried

    out. For the team to agree on this presupposes a mutual focus

    achieved by a series of stepwise changes of position, enabling

    close monitoring of the mannequins response to questions

    and tactile stimulation. All of these actions place extensive

    demands on the students to align themselves to each others

    actions in a timely fashion.

    Figure 3 shows the numbers of different communication

    modes in the phase of stating unconsciousness. In this phase

    we identified two subcategories: joint assessment and joint

    action. Joint assessment subcategories imply that the patients

    vital functions are monitored and identified while joint

    actions imply actions to be taken to prepare for or to initiate

    resuscitation. In all instances of verbal, non-verbal and

    simultaneous use of both verbal and non-verbal communica-

    tion, the subcategory joint assessment received the highest

    number compared to that of joint action(153 vs. 34).

    Examples of the simultaneous use of verbal and non-verbal

    modes in the joint assessment subcategory were naming and

    questioning the patient simultaneously with touching

    and shaking the mannequin for a response. Verbally stating

    the need to call 113 and doing it at the same time was an

    example of using dual modes in assembling joint action

    (Appendix 1).

    How such coordination is enacted in detail is here shown

    by foregrounding the activities of one of the groups. A typical

    example is illustrated below (Figure 4), in which student 2

    (S2) and student 3 (S3) stand on each side of the bed close to

    the patient and student 1 (S1) is positioned in front of and

    facing the desk occupied by the task of preparing an injection

    (Figure 4i). The question Are you there- Brenda? by S3 is the

    initial step in checking consciousness.

    As the mannequin cannot simulate body movements or

    skin colour changes, verbal response is the only means of

    checking the level of consciousness (Figure 2, step 1). S3s

    question Brenda, is everything okay with you?-hello (Fig-

    ure 4ii) is thus a way of finding out whether there is any

    response from the simulated patient. Shared attention is

    seldom achieved immediately, but occurs in several steps.

    This is illustrated in Figure 4i, in which S1 has assumed a

    body orientation in front of and facing the desk, which means

    that she was occupied by the task of preparing an injection.

    S1 responds to S3s question by turning her head 90 degrees

    towards the mannequin, while her torso and legs remain

    oriented to the desk (ii). This body torque projects instability

    in relation to the home position, which signals change so that

    the head and torso will once again be brought into a

    convergent alignment (Schegloff 1998). One second later S1

    had rotated her body 160 and was now facing the bed,glancing at the mannequin (iii). Although S1 was engaged in

    another activity, she simultaneously monitored the actions of

    her colleagues. In this case, the question Brenda, is every-

    thing okay with you?-hello addressed by S3 to the manne-

    quin triggered S1 to undertake the next step, i.e. to leave the

    desk and move towards the bed. The lack of an answer to the

    questions put to the mannequin and the stepwise changes in

    position were thus essential in creating a shared focus on the

    level of consciousness (Heath & Luff 1992). The absence of

    an answer from the patient has an important meaning in this

    particular setting in which checking consciousness is a part of

    the familiar algorithm and unconsciousness is expected to

    70605040302010

    Verbal Nonverbal Verbal + Nonverbal

    Joint assessmentJoint action

    0

    Figure 3 The total number of communi-cation actions quantified within the

    different communication modes in the

    phase of stating unconsciousness.

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2243

  • occur. The problem here consists of identifying exactly when

    this happens and when the next step should be initiated. In

    turning away from less urgent tasks and towards the

    mannequin, the students are able to indicate to each other

    preparedness for the occurrence of this critical state.

    A common pattern in the majority of groups was that the

    students simultaneously combined verbal modes such as

    naming and questioning with a demonstration of checking

    with their senses to determine if the patient was unconscious.

    The students seldom explicitly asked other students for help

    or discussed what should be done in such situations. Overall,

    this points to the fact that the interplay between verbal and

    non-verbal communication is critical for agreeing on when

    the simulated patient is unconscious.

    Preparing for resuscitation

    One part of applying the algorithm, although not addressed

    in the model itself, is to prepare for and facilitate ventilation

    and compressions by bending down the back rest, removing

    the pillows and placing the patient in a prone position. Jointly

    arranging for this position demands that the students are at

    all times able to predict what subsequent actions they are

    supposed to perform.

    Figure 5 shows the numbers of communication modes in

    the phase of preparing for resuscitation. Non-verbal com-

    munication in the joint action subcategory received the

    highest number compared to all other subcategories in

    both verbal communication and simultaneous use of both

    S3 The arrows illustrate the orientation of S1s head, torso and legs.

    (3601) S1 is standing at the desk preparing an injection with her back tothe others. S2 is on the right side of the bed looking at the mannequin.S3 is on the left with her hands on the mannequins shoulder, looking at themannequins face and asking Are you thereBrenda?. The patient does not respond. S2 utters Brenda.

    S1

    S2

    i

    S3(3604) Once again S3 tries to obtain a response by asking Brenda, iseverything okay with you? hello. S1 reacts to the lack of a response byturning her head towards the mannequin without moving her torso andlegs.

    S1 S2

    (3605) S1 then takes one step forward towards the bed, glancing at themannequin. S2 says Hello Brenda.

    ii

    S3

    S1

    S2

    iii

    Figure 4 Stating unconsciousness.

    S.E. Huseb et al.

    2244 2011 Blackwell Publishing Ltd

  • communication modes (108 vs. 7). Examples of non-verbal

    modes were when students gave each other space, as

    demonstrated through their movements. Another example

    of such actions is how they aligned themselves with each

    others actions in simultaneously bending down the backrest

    and then lifting up the mannequin to remove the pillows

    (Appendix 1).

    The interaction analysis of this phase reveals how the

    students are regularly able to coordinate their assessments

    and actions by positioning themselves very close to each other

    around the bed. In this way, they were able to monitor each

    others actions that did not require as much verbal commu-

    nication as in the previous phase. This is illustrated in

    Figure 6i, where S2 and S3 are standing on each side of the

    bed and S1 has moved towards the bedside table to conduct

    the next step, i.e. placing the patient in a prone position

    (Figure 4i).

    This initial spatial arrangement does not allow for eye

    contact. Nor is there any verbal exchange between S1 and S3.

    S1 does not request S3 to move to the right, nor does S3 ask if

    she should move (ii). Instead S3 reads S1s body language

    and uses it as a resource for attuning to her fellow student by

    changing her own position (Hindmarsh & Pilnick 2002,

    2007). Figure 6ii illustrates how the students regularly place

    themselves very close to each other around the bed in ways

    that facilitate the monitoring of each others actions. In other

    words, they create a formation that gives the necessary

    conditions for the effective exchange of glances, gestures and

    words (Kendon 1990). The spatial arrangements establish

    public, shared foci of visual and cognitive attention including

    1009080706050403020100

    Verbal Nonverbal Verbal + Nonverbal

    Joint assessmentJoint action

    Figure 5 The total number of communi-cation actions quantified within the

    different communication modes in the

    phase of preparing for resuscitation.

    (3606) S1 walks towards the bedside table, moves it to the left andplaces herself at the head of the bed. This position allows her to pushdown the back of the bed to lay the patient flat.

    (3607) When S3 notices that S1 has moved the bedside table andplaced her body between it and the bed, she shifts slightly to the rightto give S1 space in which to accomplish her task with the bed. S1simultaneously issues the following instruction Lets see - takedown the back. S2 responds to S1s instruction by pushing thehandle and taking down the back of the bed from the right hand side.They accomplish the task together and with parallel movements inorder to quickly position the patient horizontally.

    S3

    S3

    S1

    S1

    S2

    S2

    i

    ii

    Figure 6 Preparing for resuscitation.

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2245

  • the mannequin with which they are working, and explains

    the extensive use of non-verbal communication modes

    (Figure 5). When giving the instruction Lets see take

    down the back (ii) S1 uses the adverb down, indicating a

    specific direction to the student behind the bed. Although the

    recipient of the verbal directive is not explicitly mentioned by

    name, S2s immediate response shows that she realized that it

    was intended for her. S1s request Lets see take down the

    back functions as a coordinating utterance that makes it

    possible for the team to go ahead with the preparations for

    cardiopulmonary resuscitation (CPR). Note that this action

    occurs before the students had confirmed the absence of

    breathing, which is the second step in the BLS algorithm

    (Figure 2). The reversed order demonstrates that the students

    anticipate a cardiac arrest and the actions that are supposed

    to follow.

    Initiating resuscitation

    Steps 2 and 3 in the algorithm are to ensure that the airways

    are open, to check breathing and to identify if absence of

    response and breathing persist. This is a critical phase in

    applying the algorithm since it serves as an indication of

    cardiac arrest and signals the need to start CPR immediately

    (Figure 2).

    Figure 7 shows the number of the different communication

    modes in the phase of initiating resuscitation. Joint action

    received the highest number in all modes of communication,

    indicating the need for starting CPR. Examples of assembling

    joint actions included verbal directives to remove the head-

    board or to ask for medical devices. Non-verbal communi-

    cative modes mainly involved pointing at the oral airway or

    the defibrillator as a request to other team members to

    retrieve or hand them over. Simultaneous use of verbal and

    non-verbal communication included saying, for example,

    you must connect the oxygen, at the same time as looking

    and pointing at the oxygen device. Nevertheless, joint

    assessment occurred frequently in this phase, and included,

    for example, the interplay between confirming cardiac arrest

    verbally and simultaneously removing the headboard or

    medical devices (Appendix 1).

    The last example shows in detail how the interplay of

    verbal and non-verbal communication modes enabled them

    to assess when the crucial signs of cardiac arrest were present

    and how these, in turn, indicated the point of time at which

    to take action (step 2 and 3 in the BLS algorithm) (Figure 8).

    This point in time was preceded by actions such as inspecting,

    listening and trying to sense chest heaves so that the others

    could see them. It is noteworthy that the mannequins

    inability to simulate breathing through the mouth means

    that it is only possible to check for the absence of breathing

    by a visual inspection and by means of the tactile senses (i).

    Through the visible monitoring of the mannequins breath-

    ing and simultaneous utterance No, she is not breathing, S3

    gives the other participants with important information

    about the patients ventilation status, which becomes avail-

    able through temporal interplay between communicative

    methods such as inspecting, sensing and listening. The

    utterance is connected with a search for thorax movement

    by leaning over the mannequin and simultaneously feeling for

    breathing movements by laying the hand on the mannequins

    chest. This indicates to the rest of the team that the proper

    examinations have been conducted, while a remark about

    ventilation status signals the need to continue. S1 responds by

    removing the glasses from the mannequin, bending down,

    glancing at its chest and reformulating S3s information

    about the absence of breathing, now using a well-known

    institutional term No breathing (ii). This, in turn, functions

    as a signal for action. The statement indicates the start of

    resuscitation and several other actions that are supposed to

    follow in the BLS algorithm, i.e. preparation for ventilating

    the patient and initiation of chest compression. The statement

    No breathing changes the scenario from an everyday care to

    a lifesaving activity, assuming that the timely actions set out

    in the BLS algorithm are applied. In a similar vein as in the

    preceding sequences, the mutual aligning to each others

    actions and non-verbal communication modes forms the

    basis for joint agreement on how to proceed. In addition, No

    8070605040302010

    Verbal Nonverbal Verbal + Nonverbal

    Joint assessmentJoint action

    0

    Figure 7 The total number ofcommunication actions quantified within

    the different communication modes in the

    phase of initiating resuscitation.

    S.E. Huseb et al.

    2246 2011 Blackwell Publishing Ltd

  • breathing serves as a definite signal for the team members to

    start CPR.

    Discussion

    Limitations

    Although the generality of the communication pattern found

    in the present study are supported by the studies of other

    healthcare teams, there might be some limitation to the

    conclusions due to the fact that all students were recruited

    from only one nursing programme in Norway. They may

    differ from non-Norwegian students with respect to cultural

    and educational background as well as gender and age. Even

    though only the first steps in the algorithm were analysed

    (since these turned out to be most challenging for the

    students) this may contribute in some part to understanding

    coordination, alongside a study of all the steps.

    Discussions of results

    The findings reveal three phases of coordination, stating

    unconsciousness, preparing for resuscitation, initiating

    resuscitation. Coordination of joint assessments and actions

    in these phases involved a broad range of verbal and non-

    verbal communication modes that were necessary for

    achieving mutual understandings of how to continue to

    the next step in the algorithm. This was accomplished

    through a complex interplay of taking position, pointing,

    and through verbal statements and directives. The results

    reveal how the interplay between verbal and non-verbal

    communication is vital in achieving coordination in teams.

    Aligning to each others bodily movements and positions is

    often enough to assemble joint actions. Joint assessments,

    however, often require both verbal communications in

    addition to non-verbal modes. The same applies, for

    instance when prompt and timely actions are to be initiated,

    such as at the start of CPR.

    The result of counting all communication modes revealed

    that verbal and non-verbal communications were essential

    in joint assessment of when unconsciousness occurred and in

    joint initiation of CPR. In a study on coordination in

    anaesthesia it was showed that during assessment, planning

    and decision-making the simultaneous use of verbal and non-

    verbal communication were a prevalent coordination mech-

    anism (Manser et al. 2008). The monitoring of other team

    i

    S3

    S1

    ii

    S2

    (3612) S3 places her right hand on the mannequins chest and bendsdown to listen for breathing sounds, looking and feeling with her righthand for thorax movements and saying No, she is not breathing.

    (3619) S1 responds to S3s statement by removing the patients glasses,bending down, glancing at the mannequins chest and verifying S3sstatement by saying No breathing. S3 responds by removing the duvetand the kidney bowl from the mannequins torso.

    S2

    S1

    S3

    Figure 8 Initiating resuscitation.

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2247

  • members activities was also found to be salient, and

    consistent with the findings of the present study in the phase

    of preparing for resuscitation. Our findings are also consis-

    tent with previous research on coordination, demonstrating

    that non-verbal communication is effective in the coordina-

    tion of high workload situations (Entin & Serfaty 1999,

    Grote et al. 2004).

    In all, our results are consistent with previous studies that

    point to the necessity of training broader aspects of

    coordination than mere verbal communication. Moreover,

    a wide range of verbal and non-verbal modes of commu-

    nication were necessary to agree on how to proceed and

    how to perform joint and timely actions. This included

    employing speech, gestures, eye contact, artefacts (the

    mannequin) and the physical environment. The particular

    set of resources available in the setting constituted the

    conditions necessary for the students to align themselves to

    each other (Goodwin 2000). The actions could not have

    been performed without the students being able to perceive

    each others bodily movements in combination with verbal

    communication. Throughout the simulation session, the

    different types of communication modes mutually comple-

    mented each other, thus providing the basis for successfully

    carrying out the steps of the BLS algorithm. The framing of

    the situation as one in which the BLS algorithm should be

    realized was another central condition for attributing

    important meanings to speech, actions and artefacts. The

    prompt response to the statement No breathing (Figure 8)

    presupposes that its meaning is taken for granted by the

    participants. In this way, the application of the algorithm

    itself offers a context in which both directed speech and

    indirect communication convey messages that are under-

    stood in specific ways.

    The relevance of simulation as an arena for training is

    demonstrated by the fact that the team members communi-

    cative actions for achieving coordination in the simulation

    were very close to competent clinical teamwork. Hindmarsh

    and Pilnick (2002, 2007) revealed how the body forms a

    critical resource for successful coordination in anaesthesia

    teamwork. Although many of the tasks carried out in the

    practice of anaesthesia differ from those in the simulated

    cardiac arrest situation, their characteristics are similar. The

    students worked as a team, the task of which was to

    collaboratively monitor and support the patients vital

    functions. In contrast to Hindmarsh and Pilnicks (2002,

    2007) findings, the inexperienced students, who were not

    trained in teamwork prior to the simulation, were unable to

    rely on predefined roles and a prearranged division of labour

    to the same extent as professionals. Consequently, they had

    to meet unforeseen needs for joint actions by inventing

    communicative actions to achieve coordination on the spot.

    Since professional teams are generally able to anticipate what

    will come next, they are also able to coordinate their work

    more effectively. That new teams perform in a less anticipa-

    tory fashion than experienced teams was also showed in a

    study comparing experienced surgeon teams with newly

    qualified teams (Zheng & Swanstrom 2009). Nevertheless,

    the findings in all the settings reveal the critical importance of

    the unnoticed and taken for granted methods of coordinating

    teamwork.

    What is already known about this topic

    Poor coordination among resuscitation team memberscan compromise patient safety.

    In healthcare education, students are seldom trained inteamwork.

    Previous research on effective team coordination hasemphasized the necessity to practice verbal forms of

    communication in simulation training.

    What this paper adds

    Verbal communication is not in itself sufficient forachieving coordinated actions.

    Coordination in resuscitation teams presupposescommunicative actions that involves a combination of

    bodily conduct and gestures and verbal communication.

    Perceiving other team members bodily movements andverbal actions is vital in the coordination of

    resuscitation teams.

    Implications for practice and/or policy

    Although verbal communication is essential for effectivecoordination, the necessity of non-verbal

    communication for successful team coordination should

    also be acknowledged.

    Simulations offer promising solutions since they givepossibilities for training the entirety of coordinated

    actions in teams that would otherwise not be possible.

    Non-verbal communication necessary for coordinationshould be included in briefing and debriefing sessions in

    simulation-based team training.

    Research on simulation should focus on how verbaland non-verbal forms of communication are

    intertwined in teamwork and how this can be

    systematically trained in simulations for the purpose of

    improving patient safety.

    S.E. Huseb et al.

    2248 2011 Blackwell Publishing Ltd

  • The results highlight how speech and body language

    mutually constitute the prerequisites for joint assessment

    and action. Consequently, this is something that needs to be

    accounted for in the training of nurses and allied professions.

    These findings differ from previous research on coordination

    within teams, which suggests that verbal communication

    alone or verbal communication and bodily conduct as

    separate entities can explain how coordination is achieved

    (Cooper & Wakelam 1999, Xiao and the Lotas Group 2001).

    An approach to getting things done by employing verbal

    communication alone as presupposed in CRM training (Rall

    & Dieckmann 2005) may imply that important aspects of

    human action are overlooked and remain seen, but unno-

    ticed (Garfinkel 1967).

    One implication for resuscitation team training suggested

    here is the importance of instructors including all aspects of

    the communication process to promote the learning of

    coordination skills. A second implication is that the contra-

    dictory results of previous studies (Cooper & Wakelam 1999,

    Xiao and the Lotas Group 2001) on coordination, i.e.

    whether verbal or non-verbal communication is more effec-

    tive for successful coordination within teams, might be

    explained by the dynamic changes in communication modes

    related to the development of the ongoing situation, as

    illustrated here. Whether verbal communication or gestures

    are more effective in emergency care cannot be answered in a

    general way, since it depends on how situations develop as a

    result of moment-to-moment interactions. A third implica-

    tion is that the distinction between explicit and implicit

    coordination can be somewhat misleading. Obviously acts

    referred to as implicit coordination, such as taking positions,

    gesturing and non-directed speech, are essential for explicat-

    ing the team members understanding of each others actions

    and what to do next.

    There are huge differences between the simulator and

    human beings. Nevertheless, the present results indicate that

    the students treated the mannequin as a legitimate repre-

    sentation of a human being and employed communicative

    actions to achieve coordination relevant for clinical

    practice. It is also apparent that this was not an effect of

    the simulator itself, but rather that the perceived relevance

    was shaped in and through the interaction between the

    participants and with the technical environment. For the

    students, the mannequin was not just a plastic doll, but a

    sufficiently realistic representation of a human being for the

    purpose of simulating resuscitation. In the words of

    Garfinkel (1967, p. vii) they exhibited an accountable

    understanding of the cardiac arrest situation and were

    engaged in treating the simulation as real for all practical

    purposes.

    Conclusion

    The present study emphasizes the tacit, often taken for

    granted aspects of teamwork as essential components of

    coordinated action and illustrates how simulation-based

    environments give possibilities for training important facets

    of teamwork that would not otherwise have been possible.

    Moreover, it points to the necessity of including these aspects

    in simulation-based team training instructions and debriefing

    sessions in nursing education. We suggest that future research

    on simulation should not focus on verbal- and non-verbal

    communication as separate entities. To further improve

    patient safety it is necessary to address how different forms

    of communication are intertwined in coordinated action and

    how these can be systematically trained by means of

    simulations.

    Acknowledgements

    This research was financially supported by The Laerdal

    Foundation for Acute Medicine. The analytic work has been

    carried out in cooperation with The Linnaeus Centre for

    Research on Learning Interaction and Mediated Communi-

    cation in Contemporary Society (LinCS) in Sweden. We wish

    to thank Professor Eldar Sreide (Stavanger University

    Hospital, Norway) for his valuable contribution to the study

    and Erica Johnson, PhD, MPhil (University of Gothenburg,

    Sweden) and Peter Dieckmann, PhD, Dipl.-Psych. (Danish

    Institute for Medical Simulation, Denmark) for thoughtful

    and valuable comments on earlier versions of the manuscript.

    Funding

    This research received no specific grant from any funding

    agency in the public, commercial, or not-for-profit sectors.

    Conflict of interest

    No conflict of interest has been declared by the authors.

    Author contributions

    SEH, HR and FF were responsible for the study conception

    and design. SEH performed the data collection. SEH, HR and

    FF performed the data analysis. SEH, HR and FF were

    responsible for the drafting of the manuscript. SEH, HR and

    FF made critical revisions to the paper for important

    intellectual content. SEH obtained funding. SEH gave

    administrative, technical or material support. HR and FF

    supervised the study.

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2249

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  • Appendix 1. A full list of categories and numbers including examples of all communication modes in allphases and groups

    Category Stating unconsciousness

    Subcategories Codes and numbers Examples*

    Verbal communication Verbal communication

    Joint assessment Naming the patient 25 Nora, Nora

    Questioning the patient for response 12 Nora, Nora is everything okay

    with you?

    Validating fellow student (unconsciousness) 3 Yes, she is unconscious

    Asking for response and answering no response 1 Nora, Nora, are you awake? No,

    we dont get

    Asking fellow students for respiration status 2 Is she breathing?

    Describing respiration 1 Her breathing is very shallow

    Stating absence of pulse 3 There is no pulse

    Stating absence of breathing 8 She is not breathing

    Stating cardiac arrest 10 Now its cardiac arrest

    Fellow student confirming absence of breathing 1 Right, she is not breathing

    Questioning is it cardiac arrest 1 Is it cardiac arrest?

    Joint action Directive 7 Hallo, get the emergency suitcase

    Directive to fellow student 2 Get the heart board

    Directive to call 113 1 Will you call 113?

    Stating to call 113 1 Ill call 113

    Non-verbal

    communication

    Non-verbal communication

    Joint assessment Shaking the mannequin 5 One student shakes the mannequin

    (for response)

    Looking at fellow student 8 One student looks at a fellow

    student and gives an assessment

    Touching the mannequin 6 One student touches the

    mannequins shoulder

    (for response)

    Monitoring blood pressure 1 One student puts the blood

    pressure monitor on the

    mannequins arm

    Sensing chest heaves 16 One student (bends down), looks

    and listen for chest heaves

    Sensing pulse 3 One student puts two fingers on

    artery radialis

    Bending 17 One student bends down (to look

    and listen for chest heaves)

    Joint action Looking at fellow students 7 One student looks at a fellow

    student and asks a question

    Interplay between

    verbal and

    non-verbal

    communication

    Interplay between verbal and non-verbal

    communication

    Joint assessment Naming and touching the mannequin 15 Nora, Nora and touches the

    mannequins shoulder

    Naming and shaking the mannequin 5 Nora, Nora and shakes the

    mannequins shoulders

    Asking the patient and sensing response 6 Nora are you here? and touches

    the mannequins chin

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2251

  • Appendix 1. (Continued)

    Subcategories Codes and numbers Examples*

    Naming and lifting the head and looking 1 Nora, and looks and lifts the

    mannequins head

    Stating lack of pulse and sensing 3 There is no pulse and puts two

    fingers on the artery radialis

    Joint action Stating absence of breathing and fast moving 1 She is not breathing and runs for

    the door

    Stating absence of breathing and sensing 2 She is not breathing, looks and

    listens for chest heaves

    Stating cardiac arrest and glancing at the two fellow

    students

    2 Now it is cardiac arrest and looks

    at fellow student

    Stating cardiac arrest and sensing 2 It is cardiac arrest, cardiac arrest

    and puts her hand on the

    mannequins chest

    Asking whether cardiac arrest has occurred, looking

    up and body movements

    5 Is it cardiac arrest?, looks at

    fellow students, turns around and

    goes to the door

    Confirming cardiac arrest and sensing chest heaves 1 Yes, it is cardiac arrest and puts

    her hand on the mannequins

    chest

    Verbal statement of calling 113 and doing it 1 I will call 113 for help and picks

    up the phone

    Directing and looking at fellow student 2 Can you monitor the blood

    pressure and looks at fellow

    student

    Category Preparing for resuscitation

    Subcategories Codes and numbers Examples*

    Verbal

    communication

    Verbal communication

    Joint action Directing 4 Can you run and get the emergency suitcase

    Instructing fellow student to

    lay down the back rest

    1 Lets see

    Joint assessment Repeating naming the patient 1 Nora, Nora

    Questioning about respiration 1 Is she still breathing?

    Stating absence of breathing 3 She is not breathing, she is not breathing normally

    Non-verbal

    communication

    Non-verbal communication

    Joint action Bending down the backrest 24 Two students bend down the back rest so the bed is

    in a prone position

    Removal of pillows 18 Two students remove the pillows from under the

    mannequins head and put them on the table

    Doing movements simultaneously 15 Two students lift up the mannequin and remove

    the pillows

    Orientation to each

    other

    6 Two students stand opposite to

    each other, ready to act

    simultaneously

    Placing and

    removing/moving/fasten

    artefacts

    8 One student moves the bed

    table/moves the head

    board and places it on the floor

    S.E. Huseb et al.

    2252 2011 Blackwell Publishing Ltd

  • Appendix 1. (Continued)

    Subcategories Codes and numbers Examples*

    Moves to give another

    space

    16 One student moves to remove

    the headboard and fellow

    student changes position

    Looking at fellow students 12 One student looks at fellow

    students to synchronize

    actions

    Interplay between

    verbal and

    non-verbal

    communication

    Interplay between verbal and non-verbal communi-

    cation

    Joint action Directing and looking 1 Can you run and get the emergency

    suitcase and looks at fellow student

    Directing and moving 3 Lets see and student 1 helps student

    2 to lay down the back rest

    Joint assessment Stating absence of breathing and

    sensing and touching the patient

    1 She is not breathing, she is not

    breathing normally and senses chest

    heaves with the hand

    Stating absence of breathing

    and gazing

    1 She is not breathing, she is not

    breathing normally and looks at

    fellow student

    Category Initiating resuscitation

    Subcategories Codes and numbers Examples*

    Verbal communication Verbal communication

    Joint action Directive to call 113 15 Will you call 113?

    Directive to start compressions 15 Will you start compressions?

    Directive to remove the headboard 15 Remove the headboard

    Directive to start ventilation 15 Can you give some blows?

    Stating start of compressions 5 Ill start compressions

    Asking to call the physician 1 Should we call the physician?

    Asking for medical device 2 Will you pick up the mask for me?

    Asking to open the patients mouth 1 Can you open the mouth so I can put in the

    oral airway?

    Naming artefacts 1 Heart board

    Stating to go and get medical devices 3 Ill go and get the heart board, AED and

    emergency suitcase

    Correcting behaviour (give injection) 1 You dont need to give the injection now

    Joint assessment Stating cardiac arrest 2 Shes in cardiac arrest

    Validating cardiac arrest 1 Yes, I think we have a cardiac arrest here

    Asking to give information 7 What did the physician say about the treatment

    Answering what was said about the

    patients status

    1 The physician will arrive in ten minutes

    Non-verbal

    communication

    Non-verbal communication

    JAN: ORIGINAL RESEARCH Educating for teamwork

    2011 Blackwell Publishing Ltd 2253

  • Appendix 1. (Continued)

    Subcategories Codes and numbers Examples*

    Joint action Body movements to get artefacts 15 One student moves around the bed

    to get the heart board

    Pointing at artefacts 4 One student speaks in the phone and points at the

    AED

    Synchronic body movements 6 Two students lifts up the mannequin to place the

    heart board

    Placing artefacts 1 One student moves the breakfast tray from the bed

    table to the desk

    Collecting and placing artefacts 4 One student removes the emergency suitcase and

    AED from the floor to the desk

    Lifting the mannequin and placing

    headboards

    1 Two students lift the mannequin and the third

    student places the headboard under its chest area

    Changes of body position, turning

    head and torso

    5 One student turns her head and torso towards fellow

    students while speaking into the phone: we have a

    cardiac arrest here

    Body moves and showing artefacts 3 One student moves from the desk to the bed, holding

    a syringe in her hand

    Taps fellow student and hand over

    the oral airway

    1 One student talks into the phone while he picks up

    the oral airway and taps a fellow student

    Grab fellow students arm 1 One student grabs fellow students arm

    Anticipating each others actions 7 One student picks up the bag-mask with one hand.

    Seeing this action, a fellow student lifts the

    mannequins head and removes the pillows with

    her other hand

    Looking at fellow students 18 One student speaks into the phone and looks at a

    fellow student

    Joint assessment Sensing 3 One student puts her hand on the mannequins chest

    Listening, looking and sensing 1 One student bends down, looks, listens and uses her

    senses to detect chest heaves

    Interplay between verbal and

    non-verbal communication

    Interplay between verbal and non-verbal communi-

    cation

    Joint action Directing and moving headboard

    while moving bodies

    7 Help me lift her up. Fellow student lifts up the

    mannequin and places the head board under the

    mannequin

    Directing, looking and pointing 11 You must connect the oxygen and looks at fellow

    student, moves his eyes to the oxygen device, and

    points at it

    Directing action and body movements 1 Heart board and bends down, grabbing the heart

    board

    Directing and gripping fellow students arm 1 You start doing compressions and grabs fellow

    students arm

    Directives to call and tapping, gives the oral

    airway to fellow student

    1 Put it down (the AED) and picks up the oral airway

    and taps fellow student on the shoulder and hands

    over the airway

    Stating not to inject medication and looking

    at fellow student

    2 I dont think I should give the injection now and

    gazes at fellow student

    Statements (bring AED) and body movements 2 Yes, Ill go and pick up the medical devices and

    goes to the door

    Asking about information and body movements 2 What did they say (on the phone)? and turns

    around to pick up the AED

    Naming the oral airway/head board and looking

    and/or pointing/sensing/body movements

    19 The oral airway and points at the oral airway on

    the desk, looking at fellow student

    S.E. Huseb et al.

    2254 2011 Blackwell Publishing Ltd

  • Appendix 1. (Continued)

    Subcategories Codes and numbers Examples*

    Stating what it is,

    its purpose and

    demonstrating

    1 Heres a syringe with Afipran (Metoclopramide), Ill

    give it intramuscular and moves from the desk to

    the bed, holding a syringe in her hand

    Joint assessment Stating and sensing lack of

    chest heaves

    2 It doesnt feel like shes breathing and holding one

    hand on the mannequins chest

    Stating cardiac arrest,

    looking and

    receiving artefacts

    1 Its cardiac arrest and looks at fellow student, who

    hands over the head board

    Confirming cardiac arrest

    and body movements,

    removing artefacts

    19 No life signs and moves behind the bed and

    removes the headboard

    *The author has tried to give non-ambiguous examples for each sub categories. However, depending on the context, the reader imagines a

    statement might fall into different subcategories.

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