Wiktionary
bepridil
n. A nonselective calcium channel blocker formerly used to treat angina.
Wikipedia
Bepridil
Bepridil (trade name Vascor) is an amine calcium channel blocker once used to treat angina. It is no longer sold in the United States.
It is nonselective.
It has been discussed as a possible option in the treatment of atrial fibrillation.
It has been implicated in causing ventricular arrhythmia ( torsades de pointes).