The nurse caring for a patient in the critical care unit who has a central venous pressure (CVP) monitoring system notes that the patient's CVP is increasing and is aware that this increased pressure may be indicative of:
A) Hypovolemia
B) Hypervolemia
C) Hypermagnesemia
D) Hypomagnesemia
Ans: B
Feedback: CVP is a useful hemodynamic parameter to observe when managing an unstable patient's fluid volume status. An increasing pressure may be caused by hypervolemia or by a condition, such as heart failure, that results in decreased myocardial contractility.
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