Which measurement is typically used to indicate right ventricular preload?
a. Right atrial pressure (RAP)
b. Pulmonary artery occlusion pressure (PAOP)
c. Right ventricular end-diastolic pressure (RVEDP)
d. Ejection fraction
ANS: C
Preload is the filling pressure of the ventricle at the end of ventricular diastole and is estimated by measuring the end-diastolic pressures. In the case of right ventricular preload the measurement would be right ventricular end-diastolic pressure.
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