Swan Ganz Catheter is used to measure: (A) Mean aerial pressure, (B) Cardiac output, (C) Blood volume, (D) Pulmonary capillary wedge pressure
Answer is D. The pulmonary aery catheter allows direct, simultaneous measurement of pressures in the right atrium, right ventricle, pulmonary aery, and the filling pressure ("wedge" pressure) of the left atrium.