essentials of ventilator graphics · essentials of ventilator graphics ©2000 respimedu controlled...
TRANSCRIPT
![Page 1: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/1.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Developed by:
Ruben D Restrepo, MD, RRT
Vijay M Deshpande, MS, RRT, FAARC
Assistant Professors
Georgia State University
Atlanta, Georgia
ESSENTIALS
OF
VENTILATOR GRAPHICS
![Page 2: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/2.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Mechanical Ventilation
GraphicsSCALARS LOOPS
![Page 3: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/3.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SCALARS
Flow/Time
Pressure/Time
Volume/Time
![Page 4: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/4.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Pressure-Volume Flow-Volume
LOOPS
![Page 5: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/5.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SCALARS
Flow/TimePressure/Time
Volume/Time
![Page 6: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/6.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Spontaneous Breath
Time (sec)
Flo
w (
L/m
in) Inspiration
Expiration
![Page 7: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/7.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Mechanical Breath
Inspiration
Expiration
Flo
w (
L/m
in)
Time (sec)
![Page 8: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/8.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Typical Flow Patterns
ACCELERATING
DECELERATING
SINE
SQUARE
![Page 9: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/9.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inspiratory Flow Pattern
Inspiration
Expiration
Time (sec)
Flo
w (
L/m
in)
Beginning of inspirationexhalation valve closes
Peak inspiratory flow ratePIFR
Beginning of expirationexhalation valve opens
Total cycle timeTCT
Insp. timeTI
Expiratory Time
TE
![Page 10: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/10.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Expiratory Flow Pattern
Inspiration
Expiration
Time (sec)
Flo
w (
L/m
in)
Beginning of expirationexhalation valve opens
Peak Expiratory Flow RatePEFR
Duration of expiratory flow
Expiratory timeTE
![Page 11: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/11.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inadequate Inspiratory Flow
Flow(L/min)
Time (sec)
NormalAbnormal
Active Inspiration or Asynchrony
Patient’s effort
![Page 12: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/12.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Obstruction vs Active Expiration
Obstruction Active Expiration
Time
(sec)
NormalAbnormal
Flow
(L/min)
![Page 13: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/13.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Air Trapping
Inspiration
Expiration
NormalPatient
Time (sec)
Flo
w (
L/m
in)
Air TrappingAuto-PEEP
}
![Page 14: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/14.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Response to Bronchodilator
Before
Time (sec)
Flo
w (
L/m
in)
PEFR
After
Long TE
Higher PEFR
Shorter TE
![Page 15: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/15.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SCALARS
Flow/TimePressure/Time
Volume/Time
![Page 16: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/16.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Volume vs Time
Inspiration
Expiration
Time (sec)
Vo
lum
e (
ml)
Inspiratory Tidal Volume
TI
![Page 17: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/17.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inspiration
Expiration
Time (sec)
Vo
lum
e (
ml)
Inspiratory Tidal Volume
TI
Volume Ventilation breaths are Volume Cycled
Volume Cycling
![Page 18: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/18.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Air LeakV
olu
me (
ml)
Time (sec)
Air Leak
![Page 19: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/19.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Active Exhalation
Volume (ml)
Time (sec)
![Page 20: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/20.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SCALARS
Flow/Time
Pressure/Time
Volume/Time
![Page 21: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/21.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Spontaneous BreathP
aw
(cm
H20)
Time (sec)
Inspiration
Expiration
![Page 22: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/22.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Mechanical Breath
InspirationExpiration
Pa
w(c
m H
2O
)
Time (sec)
}TI
Peak Inspiratory PressurePIP
PEEP
TE
![Page 23: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/23.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Mechanical
Time (sec)
Pa
w(c
m H
2O
)
Time Triggered Breath
CONTROLLED BREATH(Time Triggered)
![Page 24: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/24.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Assisted Breath(Patient Triggered)
Mechanical
Time (sec)
Pa
w(c
m H
2O
)
Patient Triggered Breath
![Page 25: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/25.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Assisted vs Controlled
Time (sec)
Assisted ControlledPressure
(cmH20)
![Page 26: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/26.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Spontaneous vs. Mechanical
Mechanical
Time (sec)
SpontaneousPaw
(cm H2O)
Inspiration
ExpirationExpiration
Inspiration
![Page 27: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/27.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Components of Inflation Pressure
Begin Expiration
Pa
w(c
m H
2O
)
Time (sec)
Begin Inspiration
PIP
Pplateau
(Palveolar)
Transairway Pressure (PTA)}Exhalation Valve Opens
Expiration
Inspiratory Pause
![Page 28: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/28.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Begin InspirationBegin Expiration
Pa
w(c
m H
2O
)
Time (sec)
Distending (Alveolar) Pressure Expiration
Inflation Hold(seconds)
Begin Expiration
Pa
w(c
m H
2O
)
Time (sec)Begin Inspiration
PIP
Pplateau
(Palveolar
Transairway Pressure (PTA)}Exhalation Valve Opens
Expiration
PIP
![Page 29: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/29.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
PIP vs Pplat
Normal High Raw
High Flow Low Compliance
Time (sec)
Paw
(c
m H
2O
)
PIP
PPlat
PIP
PIP PIP
PPlatPPlat
PPlat
![Page 30: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/30.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Paw
(c
m H
2O
)
Normal
Normal PPlat
(Normal Compliance)
Increased PIP
} Increased PTA
(increased Airway Resistance)
NormalPIP
PPlat
High RawPIP
PPlat
Increased Airway Resistance
![Page 31: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/31.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Effect of increased Flow
Time (sec)
Pa
w (c
m H
2O
)Normal
PIP
High Flow
PPlat
PIP
Dynamic Inspiratory TimeDecreased Inspiratory Time(Due to High Inspiratory Flow)
Normal
PPlat
![Page 32: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/32.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
DECREASED COMPLIANCE
Time (sec)
Paw
(c
m H
2O
)
Low CompliancePIP
PPlat
Normal
PIP
PPlat
Normal PPlat
(Normal Compliance)
Increased PPlat
(Decreased Compliance)
Normal
PIP
![Page 33: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/33.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inadequate Inspiratory Flow
Adequate Flow
Time (sec)
Inadequate Flow
Pa
w
(cm
H2O
)
![Page 34: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/34.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Pressure-Volume Flow-Volume
LOOPS
![Page 35: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/35.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Pressure-Volume Loop(Type of Breath)
Controlled Assisted Spontaneous
Vo
l (m
l)
Paw
(cm H2O)
I: InspirationE: Expiration
I
E
E
E
II
![Page 36: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/36.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
FRC and PV Loop
FRCVO
LU
ME
TLC
Negative Positive0
DISTENDING PRESSURE
Normal Compliance
FRC
![Page 37: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/37.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Components of Pressure-Volume Loop
Volume
(mL)
PIP
VT
Paw (cm H2O)
![Page 38: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/38.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
PEEP and P-V Loop
Volume
(mL)
VT
PIPPaw (cm H2O)
PEEP
![Page 39: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/39.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Work of Breathing
A: Resistive WorkB: Elastic Work
Pressure (cm H2O)
Volume (ml)
B
A
![Page 40: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/40.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inflection Points
Pressure (cm H2O)
Volume (mL)
Upper Inflection Point
Lower Inflection Point
![Page 41: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/41.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inadequate Sensitivity
Volume
(mL)
Paw (cm H2O)Increased WOB
![Page 42: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/42.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Air Leak
Volume (ml)
Pressure (cm H2O)
Air Leak
![Page 43: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/43.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Inadequate Inspiratory Flow
Paw (cm H2O)
Volume (ml)
NormalAbnormal
Active Inspiration
Inappropriate Flow
![Page 44: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/44.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Increased Raw
Pressure (cm H2O)
Higher PTA
Vol (mL)
![Page 45: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/45.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Hysteresis
Volume (ml)
Pressure (cm H2O)
Abnormal Hysteresis
Normal Hysteresis
![Page 46: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/46.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Lung Compliance Changes and the P-V Loop
Volume (mL)
PIP levels
Preset VT
Paw (cm H2O)
COMPLIANCE
IncreasedNormalDecreased
Volume Targeted Ventilation
![Page 47: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/47.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Lung Compliance Changes and the P-V Loop
Volume (mL)
Preset PIP
VT
le
ve
ls
Paw (cm H2O)
COMPLIANCE
IncreasedNormalDecreased
Pre
ssure
Targ
ete
d V
en
tilatio
n
![Page 48: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/48.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Overdistension
Vo
lum
e (
ml)
Pressure (cm H2O)
With little or no change in VT
Paw rises
NormalAbnormal
![Page 49: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/49.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Pressure-Volume Flow-Volume
LOOPS
![Page 50: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/50.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Flow-Volume Loop
Volume (ml)
PEFR
FRC
Inspiration
Expiration
PIFR
VT
![Page 51: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/51.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Air Leak
Inspiration
Expiration
Volume (ml)
Flow (L/min)
Air Leak in mL
NormalAbnormal
![Page 52: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/52.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Air TrappingInspiration
Expiration
Volume (ml)
Flow (L/min)
Does not returnto baseline
NormalAbnormal
![Page 53: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/53.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Increased Airway Resistance
Inspiration
Expiration
Volume (ml)
Flow (L/min)
Decreased PEFR
NormalAbnormal
“Scooped out”pattern
![Page 54: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/54.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Airway Secretions/Water in the Circuit
Inspiration
Expiration
Volume (ml)
Flow (L/min)
NormalAbnormal
![Page 55: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/55.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Modes of Ventilation
SpontaneousMechanical
Volume
Targeted
Pressure
Targeted
![Page 56: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/56.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Modes of Ventilation
SpontaneousMechanical
Volume
Targeted
Pressure
Targeted
![Page 57: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/57.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Spontaneous Breath
Time (sec)
Flow
L/m
Pressure
cm H2O
Volume
mL
![Page 58: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/58.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
CPAP
Time (sec)
CPAP level
Flow
L/m
Pressure
cm H2O
Volume
mL
![Page 59: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/59.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
PSV
Time (sec)
Flow
L/m
Pressure
cm H2O
Volume
mL
Flow Cycling
Set PS level
Patient Triggered, Flow Cycled, Pressure limited Mode
![Page 60: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/60.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
CPAP + PSV
Set PS level
CPAP level
Time (sec)
Flow
L/m
Pressure
cm H2O
Volume
mL
Flow Cycling
![Page 61: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/61.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Modes of Ventilation
SpontaneousMechanical
Volume
Targeted
Pressure
Targeted
![Page 62: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/62.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Controlled Mode (Volume- Targeted Ventilation)
Preset VT
Volume Cycling
Dependent on
CL & Raw
Time (sec)
Flow
L/m
Pressure
cm H2O
Volume
mL
Preset Peak Flow
Time triggered, Flow limited, Volume cycled Ventilation
![Page 63: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/63.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Assisted Mode(Volume-Targeted Ventilation)
Time (sec)
Flow
L/m
Pressure
cm H2O
Volume
mL
Preset VT
Volume Cycling
Patient triggered, Flow limited, Volume cycled Ventilation
![Page 64: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/64.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SIMV(Volume-Targeted Ventilation)
Spontaneous Breaths
Flow
L/m
Pressure
cm H2O
Volume
mL
![Page 65: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/65.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Controlled Mode (Pressure-Targeted Ventilation)
Press
ure
Flow
Volume
(L/min)
(cm H2O)
(ml)
Time (sec)
Time-Cycled
Set PC level
Time Triggered, Pressure Limited, Time Cycled Ventilation
![Page 66: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/66.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Assisted Mode (Pressure-Targeted Ventilation)
Press
ure
Flow
Volume
(L/min)
(cm H2O)
(ml)
Set PC level
Time (sec)
Time-Cycled
Patient Triggered, Pressure Limited, Time Cycled Ventilation
![Page 67: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/67.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Press
ure
Flow
Volume
(L/min)
(cm H2O)
(ml)
Set PC level
Time (sec)
SIMV Mode (Pressure-Targeted Ventilation)
Spontaneous Breath
![Page 68: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/68.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Press
ure
Flow
Volume
(L/min)
(cm H2O)
(ml)
SIMV + PS (Pressure-Targeted Ventilation)
PS Breath
Set PS levelSet PC level
Time (sec)
Time-Cycled Flow-Cycled
![Page 69: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/69.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SIMV+PS(Volume-Targeted Ventilation)
Flow
Pressure
Volume
(L/min)
(cm H2O)
(ml)
Set PS level
PS Breath
Flow-cycled
![Page 70: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/70.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
Press
ure
Flow
Volume
(L/min)
(cm H2O)
(ml)
Set PC level
Time (sec)
SIMV + PS + CPAP (Pressure-Targeted Ventilation)
Set PS level
CPAP level
![Page 71: ESSENTIALS OF VENTILATOR GRAPHICS · Essentials of Ventilator Graphics ©2000 RespiMedu Controlled Mode (Volume- Targeted Ventilation) Preset V T Volume Cycling Dependent on C L &](https://reader030.vdocument.in/reader030/viewer/2022040112/5e885a90cbda7e7f33700e50/html5/thumbnails/71.jpg)
Essentials of Ventilator Graphics ©2000 RespiMedu
SIMV+PS + CPAP(Volume-Targeted Ventilation)
Flow
Pressure
Volume
(L/min)
(cm H2O)
(ml)
Set PS level
CPAP level
Time (sec)