Do non-invasive tests accurately rule-in and rule-out significant coronary artery stenosis in patients with stable angina?
The selection of non-invasive diagnostic tests for stable angina should be tailored to the patient's pre-test probability, recognizing the limited diagnostic power of stress ECG.
The various diagnostic modalities have different optimal performance ranges for the detection of anatomically and functionally significant CAD. Stress ECG appears to have very limited diagnostic power. The selection of a diagnostic technique for any given patient to rule-in or rule-out CAD should be based on the optimal PTP range for each test and on the assumed reference standard.
Knuuti et al. (Tue,) studied this question.
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