title: Supraventricular tachycardia mimicking ventricular tachycardia during flecainide treatment.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000139:chemically induced; D004562:Electrocardiography; D005260:Female; D005424:Flecainide / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis*; D013617:Tachycardia, Supraventricular / Q000139:chemically induced / Q000175:diagnosis*
chemical_list: D005424:Flecainide