Which assessment finding alerts the nurse to the possibility that the intrathoracic pressure in a mechanically ventilated client is too high?
A. Hypotension
B. Pulse oximetry value of 96%
C. Increased diaphragmatic excursion
D. Low-pressure alarm sounds on the ventilator
A
Increased intrathoracic pressure can inhibit blood return to the heart and cause decreased cardiac output.
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