Verapamil-induced retrograde conduction block in a concealed atrioventricular bypass tract.
D000328:Adult; D001283:Atrioventricular Node / Q000002:abnormalities*; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000139:chemically induced* / Q000503:physiopathology; D006329:Heart Conduction System / Q000002:abnormalities*; D006801:Humans; D013610:Tachycardia / Q000503:physiopathology; D014700:Verapamil / Q000009:adverse effects*
D014700:Verapamil