A patient set up on pressure support ventilation (PSV) has an average minute volume of 5.8 L. What should the low exhaled minute volume alarm be set at?
a. 5 L
b. 4 L
c. 3 L
d. 2 L
ANS: A
The low exhaled minute volume alarm should be set between 10% and 15% below the average minute volume.
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