The time has come to reexamine the gold standard when evaluating noninvasive testing.
Angiographically identified 50% cross-sectional narrowing of a coronary artery fails to accurately identify compromised myocardial perfusion. Noninvasive tests should be correlated with intravascular ultrasound or coronary flow reserve to determine their clinical utility.
Ellestad
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D017023:Coronary Angiography; D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006801:Humans; D012107:Research Design / Q000592:standards*; D018084:Ultrasonography, Interventional; D014664:Vasodilation