An electrocardiogram reporting service: its role and its risks.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D006332:Cardiomegaly / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D003954:Diagnostic Services; D004562:Electrocardiography; D005194:Family Practice; D005260:Female; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis; D011247:Pregnancy