for the ems classroom - emt review

. fortheEMSClassroom

DynamicLearningExercise

PathophysiologyWorksheet

1.Definethefollowingterms.Useyourbookforreferenceifyouhaveto.

Pathophysiologyisafounda>onal(yetfrequentlyunderemphasized)partofEMTeduca>on.Whetherunderstandingapa>entpresenta>onorreadingaNREMTexamques>on,anunderstandingofpathophysiologyiscrucial.

Thisac>vitycanbegivenouttogroupsorindividualsforuseinclassorathometogetthemintosomeofthemainpathophysiologicalconcepts.

Itisvitalthatyoufacilitateconversa>onanddemonstratetheimportanceofthematerial.Doyouhaveaninteres>ngcasethatmayhighlightsomeofthepointsbelow?

Amountofbloodpumpedfromtheheart(leNventricle)

Vascularresistance

Cardiacoutput

Compensa>on

Decompensa>on

Strokevolume

Heartratexstrokevolume

Theamountofcontrac>onofthebloodvessels.Indiscussionrelatehowcardiacoutputandvascularresistance=bloodpressure.

Inadequateperfusiontothe>ssues;notehowthisisdifferentthanhypotension.

Thebody’saWemptstomaintainperfusion.Thisisthepointtodiscusshowthecomponentsofheartrate,strokevolumeandvascularresistanceareusedtomaintainbloodpressure.

Shock

Failureofthecompensa>onmechanismsdescribedabove.

copyright2020LimmerEduca>on,LLC•LimmerEduca>on.com

Theamountofcontractionofthebloodvessels.Indiscussionrelatehowcardiacoutputandvascularresistance=bloodpressure

DynamicLearningExercise

PathophysiologyWorksheet(cont’d)

2.Listoneexampleofeachofthefollowingtypesofshockwithatwoorthreesentencedescrip>onofhow/whyithappens.(Example:Hypovolemicislowvolume.Itcanbecausedbyexcessivediarrheainanewborn.TheliquidislostthroughtheGItractandexpelledasdiarrhea).

Hypovolemic

Obstructive

Cardiogenic

Distributive

Externalandinternalbleedingaremostcommonlythoughtof.BurnsmaybeanotherexampleoffluidshiNwithoutexternalhemorrhage.

Anaphylaxisorsepsis

Tensionpneumothorax

Myocardialinfarc>on

copyright2020LimmerEduca>on,LLC•LimmerEduca>on.com

3.Youaretrea>ngapa>entinshock.Explainthephysiologic/pathophysiologicreasonyouseeeachofthefollowingsignsandsymptoms.Theanswersdonothavetobelongbutmustadequatelyandaccuratelydescribethemechanismthatcauseseachsigntoappear.

DynamicLearningExercise

PathophysiologyWorksheet(cont’d)

Alteredlevelofresponsiveness

Decreasedbloodpressure

Narrowedpulsepressure

Increasedpulse=increasedcardiacoutputinanaWempttoraiseBP

Rapidpulse

Keepingbloodoxygenated

Bloodshuntedfromtheskintovitalorgans

Moistskin

Bloodshuntedfromtheskintovitalorgans

Paleskin

Reducedlevelsoffuel(oxygenandglucose)tothebrain

Decompensa>on

Cardiacoutputdrops(reducessystolicpressure)andvascularresistanceincreases(increasingdiastolicpressure)resul>nginanarrowedpulsepressure.

Rapidrespira>ons

copyright2020LimmerEduca>on,LLC•LimmerEduca>on.com

. fortheEMSClassroom

DynamicLearningExercise

PathophysiologyWorksheet

1.Definethefollowingterms.Useyourbookforreferenceifyouhaveto.

Vascularresistance

Cardiacoutput

Compensa?on

Decompensa?on

Strokevolume

2.Listoneexampleofeachofthefollowingtypesofshockwithatwoorthreesentencedescrip?onofhow/whyithappens.(Example:Hypovolemicislowvolume.Itcanbecausedbyexcessivediarrheainanewborn.TheliquidislostthroughtheGItractandexpelledasdiarrhea).

Shock

Hypovolemic

Obstructive

Cardiogenic

Distributive

copyright2020LimmerEduca?on,LLC•LimmerEduca?on.com

Theamountofcontractionofthebloodvessels.Indiscussionrelatehowcardiacoutputandvascularresistance=bloodpressure

DynamicLearningExercise

3.Youaretrea?ngapa?entinshock.Explainthephysiologic/pathophysiologicreasonyouseeeachofthefollowingsignsandsymptoms.Theanswersdonothavetobelongbutmustadequatelyandaccuratelydescribethemechanismthatcauseseachsigntoappear.

PathophysiologyWorksheet(cont’d)

Alteredlevelofresponsiveness

Decreasedbloodpressure

Narrowedpulsepressure

Rapidpulse

Moistskin

Paleskin

Rapidrespira?ons

copyright2020LimmerEduca?on,LLC•LimmerEduca?on.com