mechanical ventilation graphical assessment
DESCRIPTION
Mechanical Ventilation Graphical Assessment . Ventilator scalars and loops Control variables Phase variables Other settings Breath types Breath sequence Modes of ventilations. Outline. Mechanical Ventilation Graphical Assessment . Ventilator Scalars and loops. Peak P AW. Plateau P AW. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Mechanical Ventilation Graphical Assessment](https://reader035.vdocuments.us/reader035/viewer/2022070500/56816829550346895dddbd7e/html5/thumbnails/1.jpg)
Mechanical Ventilation Graphical Assessment
![Page 2: Mechanical Ventilation Graphical Assessment](https://reader035.vdocuments.us/reader035/viewer/2022070500/56816829550346895dddbd7e/html5/thumbnails/2.jpg)
OUTLINE
Ventilator scalars and loopsControl variablesPhase variablesOther settingsBreath typesBreath sequenceModes of ventilations
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VENTILATOR SCALARS AND LOOPS
Mechanical Ventilation Graphical Assessment
![Page 4: Mechanical Ventilation Graphical Assessment](https://reader035.vdocuments.us/reader035/viewer/2022070500/56816829550346895dddbd7e/html5/thumbnails/4.jpg)
PAW
Pes
cmH2O
V°
V
L/m
L
cmH2O
50
0
0
60
-601
0
0
30
-20Seconds2 10864 12 14 160
Inspiratory Time
Peak PAW
Plateau PAW
Peak Inspiratory Flow
Peak Expiratory Flow
Zero Flow at Plateau Phase
End Expiratory PAW
Inspiratory Flow Time
Inspiratory Hold Time
End Inspiratory Esophageal Pressure
End Expiratory Esophageal Pressure
Expiratory Time Tidal Volume
PRAW
![Page 5: Mechanical Ventilation Graphical Assessment](https://reader035.vdocuments.us/reader035/viewer/2022070500/56816829550346895dddbd7e/html5/thumbnails/5.jpg)
PAWcmH2O
V°L/m
50
0
0
60
-60
Seconds2 10864 12 14 160
Volu
me
(L)
0
-5 0 35PAW (cm H2O)
Flow
(L/m
in)
80
0 0.8
Volume (L)-80
0.7
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Volu
me
(L)
0
0.7
-5 0 35PAW (cm H2O)
Flow
(L/m
in)
80
0 0.8Volume (L)
-80
Plateau Airway PressurePeak Airway Pressure
VT
End Expiratory Pressure
Peak Inspiratory Flow
Peak Expiratory Flow
Tidal Volume (VT)
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CONTROL VARIABLESMechanical Ventilation Graphical Assessment
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
Lung Compliance Decreased
Set Tidal Volume Maintained
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
Lung Compliance Decreased
Set Pressure Maintained
Delivered VT Decreased
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PHASE VARIABLESMechanical Ventilation Graphical Assessment
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PAW
Pes
cmH2O
V°
V
L/m
L
cmH2O
50
0
0
60
-601
0
0
30
-201 second
Pressure Trigger Sensitivity
Flow Trigger Sensitivity
A B C
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
01 second
A B C
Pressure Limited
Flow Limited Flow Limited
Volume Limited
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
01 second
A B CTime Cycled
Set Volume
Time CycledVolume Cycled
Set Time Set Time
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
01 second
D E F
Set Flow Cycle at 25%Of Peak Inspiratory Flow
Back Up Time Cycle is activated
Set Pressure
Set flow cycle at 25% ofpeak inspiratory flow wasnot reached
Flow Cycled Flow/Time CycledPressure Cycled
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OTHER SETTINGSMechanical Ventilation Graphical Assessment
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PAWcmH2O
50
0
Seconds
2 10864 12 14 16 18
PAWcmH2O
50
0
Set respiratory rate= 12/min
3.5 seconds
60 seconds/12 = 5 seconds for each respiratory cycle
Set: 1.5 seconds
I:E Ratio = 1:2.3Set respiratory rate= 15/min
2.5 seconds
60 seconds/15 = 4 seconds for each respiratory cycle
Set: 1.5 seconds
I:E Ratio = 1:1.6
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
Inspiratory Time
Inspiratory Flow Time
Inspiratory Hold Time
Expiratory Time
Set respiratory rate= 12/min
3.5 seconds
60 seconds/12 = 5 seconds for each respiratory cycle
Set: 1.5 seconds
I:E Ratio = 1:2.3
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
Shorter Inspiratory Flow Time
Longer Inspiratory Hold Time
Same Set IInspiratory Time
Higher Set Flow Rate
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
01 second
TI TE
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
01 second
Exponential-decay Rectangular Ascending-ramp Sinusoidal
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BREATH TYPESMechanical Ventilation Graphical Assessment
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PAW
Pes
cmH2O
V°
V
L/m
L
cmH2O
50
0
0
60
-601
0
0
30
-201 second
A B D
Spontaneous Breath Mandatory BreathSupported Breath
C
Assisted Breath
Flow Control
Volume Cycle
Patient Triggered
Time Cycle
Flow Control
Time TriggeredPatient Triggered
Flow Cycled
Pressure Limited
Patient Triggered
Patient’s Flow
Patient’s Cycle
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BREATH SEQUENCESMechanical Ventilation Graphical Assessment
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PAWcmH2O
50
0
PAWcmH2O
50
0
PAWcmH2O
50
0
Continuous Mandatory Ventilation
Intermittent Mandatory Ventilation
Continuous Spontaneous Ventilation
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MODES OF VENTILATIONMechanical Ventilation Graphical Assessment
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
![Page 27: Mechanical Ventilation Graphical Assessment](https://reader035.vdocuments.us/reader035/viewer/2022070500/56816829550346895dddbd7e/html5/thumbnails/27.jpg)
PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 160
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 16 18
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 16 18
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PAWcmH2O
V°
V
L/m
L
50
0
0
60
-601
0
Seconds
2 10864 12 14 16 18
5 cm H2O Test BreathPressure Adjusted 2-3 cm H2O each breath to Achieve Target Volume
Pressure Maintained
Higher Tidal Volume
Low Tidal Volume
Tidal Volume StillLower than Target
Target Tidal Volume Achieved
Pressure Decreased
Pressure Alarm LimitPressure Limit
Set Tidal Volume
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THANK YOU