A Patient with Respiratory Failure Has Arterial Pressure-Based Cardiac Output

A patient with respiratory failure has arterial pressure-based cardiac output (APCO) monitoring and is receiving mechanical ventilation with peak end-expiratory pressure (PEEP) of 12 cm H₂O. Which information indicates that a change in the ventilator settings may be required?

A) The arterial pressure is 90/46.
B) The stroke volume is increased.
C) The heart rate is 58 beats/minute.
D) The stroke volume variation is 12%.

Correct Answer:

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