Case reports of Phase 4 bundle branch block.
D000200:Action Potentials; D000368:Aged; D000818:Animals; D001919:Bradycardia / Q000150:complications; D002037:Bundle-Branch Block / Q000145:classification* / Q000175:diagnosis / Q000209:etiology; D004285:Dogs; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008564:Membrane Potentials