Importance of detection of a focal conduction block in the unipolar chest leads in patients with coronary disease (a preliminary report).
D000368:Aged; D003327:Coronary Disease / Q000175:diagnosis / Q000503:physiopathology*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D004566:Electrodes; D006327:Heart Block / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology