Asystole after verapamil.
D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D001794:Blood Pressure; D006327:Heart Block / Q000139:chemically induced; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000188:drug therapy; D014700:Verapamil / Q000009:adverse effects*
D014700:Verapamil