heart rate ( hr ) slowing action and the possible negative inotropic effect of pindolol ( p ) ( daily dose +/- standard error of the means ( sem ) : 14.7 +/- 1.6 mg ) were studied in 12 patients with heart failure and with rapid atrial fibrillation ( af ) resistant to effective beta-methyl dioxin ( bmd ) doses ( mean plasma digoxin concentration +/- sem : 2.05 +/- 0.17 ng/ml ) .
C0428977
heart rate
C0031937
pindolol