title: On block of something less than a bundle branch, or of something more.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D009203:Myocardial Infarction