we evaluated the electrophysiologic , antiarrhythmic , and hemodynamic effects of d-sotalol infusion ( 1.5 to 2.75 mg/kg ) and of chronic oral therapy ( 200 to 400 mg bid ) in 10 patients with chronic , paroxysmal supraventricular tachyarrhythmias refractory to 5 +/- 2 standard agents .
C0003195
antiarrhythmic
C0037707
sotalol