title: The significance of second degree atrioventricular block and bundle branch block. Observations regarding site and type of block.
mesh_terms: D000328:Adult; D000368:Aged; D001024:Aortic Valve Stenosis / Q000150:complications; D001161:Arteriosclerosis / Q000150:complications; D002037:Bundle-Branch Block / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D003327:Coronary Disease / Q000150:complications; D004071:Digitalis Glycosides / Q000506:poisoning; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D011379:Prognosis; D012214:Rheumatic Heart Disease / Q000150:complications; D013575:Syncope / Q000209:etiology
chemical_list: D004071:Digitalis Glycosides