title: ECG of the month. On U-turns. Negative U waves.
authors.forename: J I
authors.initials: JI
authors.lastname: Martinez-Lopez
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004562:Electrocardiography; D006331:Heart Diseases / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D008297:Male; D017202:Myocardial Ischemia / Q000175:diagnosis