The critical care nurse is caring for a patient with a pulmonary artery pressure monitoring system. The nurse is aware that pulmonary artery pressure monitoring is used to assess left ventricular function
What is an additional function of pulmonary artery pressure monitoring systems?
A) To assess the patient's response to fluid and drug administration
B) To obtain specimens for arterial blood gas measurements
C) To dislodge pulmonary emboli
D) To diagnose the etiology of chronic obstructive pulmonary disease
Ans: A
Feedback:
Pulmonary artery pressure monitoring is an important tool used in critical care for assessing left ventricular function (cardiac output), diagnosing the etiology of shock, and evaluating the patient's response to medical interventions, such as fluid administration and vasoactive medications. Pulmonary artery monitoring is preferred for the patient with heart failure over central venous pressure monitoring. Arterial catheters are useful when arterial blood gas measurements and blood samples need to be obtained frequently. Neither intervention is used to clear pulmonary emboli.
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