title: Morphologic features of right ventricular ectopic beats.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002037:Bundle-Branch Block / Q000175:diagnosis*; D006328:Cardiac Catheterization; D003327:Coronary Disease / Q000150:complications; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006330:Heart Defects, Congenital / Q000150:complications; D006801:Humans; D012214:Rheumatic Heart Disease / Q000150:complications