Hemodynamic effects of N-acetylprocainamide in man: comparison with other antiarrhythmic drugs.

The hemodynamic effects of the class III antiarrhythmic agent N-acetylprocainamide or NAPA were assessed in 14 patients with preserved ventricular function undergoing cardiac catheterization. Intravenous NAPA is a relatively weak peripheral arterial and venous dilator which reduces cardiac output producing a reflex increase in the heart rate. The… (More)