Significance of the initial R wave in lead aVR of the electrocardiogram in the diagnosis of myocardial infarction.
D000293:Adolescent; D000328:Adult; D002170:Canada; D009202:Cardiomyopathies / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D007564:Japan; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D011656:Pulmonary Emphysema / Q000175:diagnosis; D013223:Statistics as Topic; D014481:United States