title: How many leads are in the 12-lead electrocardiogram, and what does that mean for the diagnosis of acute ST-elevation myocardial infarction?
authors.forename: Paul
authors.initials: P
authors.lastname: Kligfield
mesh_terms: D004562:Electrocardiography / Q000295:instrumentation* / Q000379:methods*; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis*; D011785:Quality Assurance, Health Care / Q000379:methods*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity