A Patient with Shock of Unknown Etiology Whose Hemodynamic Monitoring

A patient with shock of unknown etiology whose hemodynamic monitoring indicates BP 92/54, pulse 64, and an elevated pulmonary artery wedge pressure has the following collaborative interventions prescribed. Which intervention will the nurse question?

A) Infuse normal saline at 250 mL/hr.
B) Keep head of bed elevated to 30 degrees.
C) Give nitroprusside (Nipride) unless systolic BP <90 mm Hg.
D) Administer dobutamine (Dobutrex) to keep systolic BP >90 mm Hg.