thallium stress test
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thallium stress testPharmacologic stress imaging Cardiology A myocardial perfusion technique in which the radionuclide thallium-201–201Tl, is injected as a diagnostic adjunct to cardiac stress tests, to detect regional ischemia or infarction; TST is an increasingly popular alternative to the exercise stress test–EST; it is used to evaluate Pts with CAD who cannot perform an adequate EST, and allows risk stratification. Cf Treadmill stress/exercise test.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.