A 67-year-old man who is a candidate for cardiac transplantation undergoes cardiac catheterization to assess his hemodynamic status. Findings include:
Pulmonary artery pressure (PAP) = 35 mm Hg Cardiac output = 4 L/min
Left atrial pressure (LAP) = 15 mm Hg
Right atrial pressure = 10 mm Hg
Which of the following values is his PVR?
a. 0.16 L/min/mm Hg
b. 0.2 L/min/mm Hg
c. 5 mm Hg/L/min
d. 6.25 mm Hg/L/min