title: Preoperative electrocardiography effect of new abnormalities on clinical decisions.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D010347:Patient Care Planning; D011300:Preoperative Care