The impact of diagnostic tests on the management of ambulatory cardiac patients.
D003327:Coronary Disease / Q000175:diagnosis*; D003954:Diagnostic Services / Q000706:statistics & numerical data*; D004452:Echocardiography; D004562:Electrocardiography; D005080:Exercise Test; D006801:Humans; D008485:Medical Audit; D011331:Private Practice; D012017:Referral and Consultation