Improved recognition of myocardial infarction by bivariate analysis of initial QRS vectors.
D000328:Adult; D000368:Aged; D000704:Analysis of Variance; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D013223:Statistics as Topic; D014672:Vectorcardiography