Calculate the airway resistance given the following clinical data: flow rate 60 L/min, PIP 28 cm H2O, Pplateau 21 cm H2O, and PEEP 8 cm H2O
a. 7 cm H2O/L/sec
b. 13 cm H2O/L/sec
c. 20 cm H2O/L/sec
d. 28 cm H2O/L/sec
ANS: A
60 L/min = 1 L/sec. Raw = (PIP − Pplateau)/(L/sec) = (28 − 21)/1 = 7 cm H2O/L/sec.
Health Professions
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