Following intubation and placement on volume-controlled continuous mandatory ventilation (VC-CMV), a patient's average peak inspiratory pressure (PIP) is 26 cm H2O following suction-ing
The appropriate settings for the low- and high-pressure alarms are which of the following?
a. Low pressure = 6 cm H2O, high pressure = 46 cm H2O
b. Low pressure = 15 cm H2O, high pressure = 41 cm H2O
c. Low pressure = 20 cm H2O, high pressure = 36 cm H2O
d. Low pressure = 24 cm H2O, high pressure = 31 cm H2O
ANS: C
Low-pressure alarms are usually set about 5-10 cm H2O below peak inspiratory pressure (PIP). High-pressure alarms are set about 10 cm H2O above PIP. The only answer that fits both of these criteria is answer "C."
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