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BiLevel Ventilation and Graphics - TL Forrette & Associates
BiLevel Ventilation and Graphics - TL Forrette & Associates
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Overview Of Ventilator Graphics<br />
Terry L. Forrette, M.H.S., RRT<br />
Maximizing PIP Levels<br />
Upper And Lower Inflection Points<br />
V T<br />
A = 400/20 = 20 mL/CWP<br />
B = 600/40 = 15 mL/CWP<br />
V T<br />
0.6<br />
LITERS<br />
LITERS<br />
0.6<br />
High PEEP set point<br />
1.0<br />
0.4<br />
0.4<br />
B<br />
0.2<br />
Paw<br />
cmH 2 O<br />
-60<br />
-40<br />
-20<br />
A<br />
0 20 40 60<br />
Paw<br />
cmH 2 O<br />
-60<br />
40<br />
20<br />
0 20 40 60<br />
Low PEEP set point<br />
Trigger Effort<br />
Increased Trigger Effort<br />
V T<br />
LITERS<br />
0.6<br />
Expiration<br />
0.4<br />
V T<br />
LITERS<br />
0.6<br />
Expiration<br />
0.4<br />
Assisted Breath<br />
0.2<br />
Inspiration<br />
Increased<br />
Trigger Effort<br />
0.2<br />
Inspiration<br />
Paw<br />
cmH 2 O<br />
-60<br />
40<br />
20<br />
0 20 40 60<br />
Paw<br />
cmH 2 O<br />
-60<br />
40<br />
20<br />
0 20 40 60<br />
What About New Modes?<br />
Assisted Ventilation<br />
Breath Types<br />
SIMV<br />
CPAP<br />
Auto Mode<br />
APRV<br />
PPS<br />
PRVC<br />
SPONT<br />
IPPV<br />
PAV<br />
CMV<br />
AutoFlow<br />
VS<br />
PS<br />
BIPAP<br />
VCV<br />
MMV<br />
ASB<br />
VAPS<br />
PCV<br />
ILV<br />
PLV<br />
Pressure Constant<br />
• PC<br />
• PS<br />
• BiPAP<br />
• BiLevel/APRV<br />
PAV/PPS & TC<br />
Volume Constant<br />
• Volume using<br />
CMV or SIMV<br />
• Dual Modes<br />
• VS/MMV/ASV<br />
www.tlforrette.com<br />
mail@tlforrette.com<br />
Wisdom is knowledge applied<br />
7<br />
TL Forrette & Associates<br />
(985) 624-9640
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