Pretest Probablity of CAD


Understanding a patient's pre-test probability of CAD is useful to guide investigations and management. From a diagnostic standpoint, patients with intermediate probability of CAD are most likely to have their management altered by the results of stress testing. Exercise testing for diagnosis is not strongly supported in the current guideline for patients with high or low pre-test probabilities.

Patients with a high pre-test probability of CAD should have anti-ischemic therapy and risk factor modification initiated. In this subgroup stress testing can provide important information regarding prognosis.

For patients with a low pre-test probability of CAD consideration should be made to forgo stress testing.


Gibbons RJ, Balady GJ, Bricker JT, Chaitman BR, Fletcher GF, Froelicher VF, Mark DB, McCallister BD, Mooss AN, O'Reilly MG, Winters WL Jr.

2002. American College of Cardiology Web site.

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