Supraventricular arrhythmia with abnormal QRS complex.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001146:Arrhythmia, Sinus / Q000503:physiopathology; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D004285:Dogs; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology; D006329:Heart Conduction System / Q000187:drug effects; D006339:Heart Rate; D006801:Humans; D013997:Time Factors
D000109:Acetylcholine