The nurse is caring for a patient with a pulmonary artery catheter
Assessment findings include a blood pressure of 85/40 mm Hg, heart rate of 125 beats/min, respiratory rate 35 breaths/min, and arterial oxygen saturation (SpO2) of 90% on a 50% venturi mask. Hemodynamic values include a cardiac output (CO) of 1.0 L/min, central venous pressure (CVP) of 1 mm Hg, and a pulmonary artery occlusion pressure (PAOP) of 3 mm Hg. The nurse questions which of the following physician's order? a. Titrate supplemental oxygen to achieve a SpO2 > 94%.
b. Infuse 500 mL 0.9% normal saline over 1 hour.
c. Obtain arterial blood gas and serum electrolytes.
d. Administer furosemide (Lasix) 20 mg intravenously.
D
A central venous pressure of 1 mm Hg, pulmonary artery occlusion pressure of 1 mm Hg along with a blood pressure of 85/40 mm Hg and heart rate of 125 are indicative of a low volume state. Infusion of 500 mL of 0.9% normal saline will increase circulating fluid volume. Administration of furosemide (Lasix) is contraindicated and could further reduce circulating fluid volume. Titrating supplemental oxygen, obtaining serum blood gas and electrolyte samples, although not a priority, are appropriate interventions.
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