title: Usefulness of the electrocardiogram and vectorcardiogram in left bundle branch block and myocardial infarction.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications / Q000175:diagnosis*; D014672:Vectorcardiography