Which of the following is the formula for transairway pressure?
a. Peak inspiratory pressure – Plateau pres-sure
b. Plateau pressure – Peak inspiratory pres-sure
c. Positive end-expiratory pressure – Plateau pressure
d. Peak inspiratory pressure – Positive end-expiratory pressure
ANS: A
The transairway pressure is the pressure required to overcome airflow resistance and is calculated by subtracting the plateau pressure from the peak inspiratory pressure.
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