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Old 07-12-2010
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Calculator Calculating the Pulmonary Vascular Resistance!

A 75-year-old man is admitted to the ICU after aortic valve surgery. A pulmonary artery catheter yields the following data: central venous pressure (CVP) 5 mmHg, cardiac output (CO) 4.0 L/min, mean arterial pressure (MAP) 80 mmHg, mean pulmonary artery pressure (PAP) 26 mmHG, pulmonary artery occlusion pressure (PAOP) 10 mm Hg, and heart rate of 80. What is this personís pulmonary vascular resistance (PVR)?
A. 40 dynes-sec/cm5
B. 320 dynes-sec/cm5
C. 160 dynes-sec/cm5
D. 220 dynes-sec/cm5
E. 410 dynes-sec/cm5
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