What is the cause of incomplete right bundle branch block?
D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000209:etiology*; D006328:Cardiac Catheterization; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male