Letter: carotid massage as a means of ECG diagnosis of acute myocardial infarction in the presence of left bundle branch block.
D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis / Q000209:etiology; D002339:Carotid Arteries; D004562:Electrocardiography / Q000379:methods*; D006339:Heart Rate; D006347:Heart Sounds; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D009333:Neck / Q000098:blood supply*