title: ABC of clinical electrocardiography.Introduction. I-Leads, rate, rhythm, and cardiac axis.
authors.forename: Steve
authors.initials: S
authors.lastname: Meek
authors.forename: Francis
authors.initials: F
authors.lastname: Morris
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D004566:Electrodes; D006331:Heart Diseases / Q000175:diagnosis*; D006339:Heart Rate; D006801:Humans