What does point A represent on the pressure-time scalar shown in the figure?

a. Plateau pressure c. Positive end-expiratory pressure
b. Maximum safety pressure d. Auto-PEEP


ANS: D
Auto-PEEP is made visible on a pressure-time scalar with the use of an end-expiratory pause. Point A is not positive end-expiratory pressure because there are areas in the waveform that go down to zero.

Health Professions

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