Vectorcardiogram past forty.
D000328:Adult; D000367:Age Factors; D000368:Aged; D006332:Cardiomegaly / Q000175:diagnosis; D003936:Diagnosis, Computer-Assisted; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis; D012737:Sex Factors; D013997:Time Factors; D014672:Vectorcardiography