A patient with ARDS has the slow pressure-volume loop shown below.Based on this loop,at what level should PEEP be set?

A) 10 cm H₂O
B) 12 cm H₂O
C) 18 cm H₂O
D) 22 cm H₂O

Question

A patient with ARDS has the slow pressure-volume loop shown below.Based on this loop,at what level should PEEP be set?

A) 10 cm H₂O 
B) 12 cm H₂O 
C) 18 cm H₂O 
D) 22 cm H₂O

Quizplus · Accepted Answer

The rapid change in the slope of the deflation curve identifies the upper inflection point on the deflation portion of the curve as approximately 20 cm H₂O.PEEP should be set 2-3 cm H₂O above the upper inflection point,which is 22 cm H₂O.
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A Patient with ARDS Has the Slow Pressure-Volume Loop Shown