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Evaluating coronary artery disease noninvasively--which test for whom?

Abstract
The generally accepted indications for stress testing in patients with coronary artery disease include confirming the diagnosis of angina, determining the limitation of activity caused by angina, assessing prognosis in patients with known coronary artery disease, assessing perioperative risk, and evaluating responses to therapy. In patients with a clinical scenario strongly suggestive of angina, testing is not necessary to diagnose coronary artery disease. The exercise treadmill-electrocardiogram test is the oldest and most extensively used stress test and can be reliably performed in patients who are clinically stable and who have an interpretable resting electrocardiogram. The addition of myocardial imaging agents such as thallium 201, technetium Tc 99m sestamibi, and technetium Tc 99m teboroxime increases the sensitivity and specificity for detecting coronary disease. Pharmacologic agents such as dipyridamole, adenosine, and dobutamine may be used in patients who cannot exercise adequately. Myocardial ischemia can also be evaluated by echocardiography, computed tomography, or magnetic resonance imaging, especially when additional information such as left ventricular and valvular function is desired. We review the indications for the noninvasive evaluation of coronary artery disease and the rationale for selecting a diagnostic test.
AuthorsT M Chou, T M Amidon
JournalThe Western journal of medicine (West J Med) Vol. 161 Issue 2 Pg. 173-80 (Aug 1994) ISSN: 0093-0415 [Print] United States
PMID7941543 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
Chemical References
  • Organotechnetium Compounds
  • Oximes
  • Thallium Radioisotopes
  • thallium chloride
  • Dobutamine
  • Dipyridamole
  • Technetium Tc 99m Sestamibi
  • Thallium
  • Adenosine
  • technetium Tc 99m teboroxime
Topics
  • Adenosine (pharmacology)
  • Coronary Disease (diagnosis, physiopathology)
  • Dipyridamole (pharmacology)
  • Dobutamine (pharmacology)
  • Echocardiography (drug effects)
  • Electrocardiography (drug effects)
  • Exercise Test (drug effects)
  • Humans
  • Organotechnetium Compounds
  • Oximes
  • Radionuclide Ventriculography
  • Sensitivity and Specificity
  • Technetium Tc 99m Sestamibi
  • Thallium
  • Thallium Radioisotopes
  • Tomography, Emission-Computed

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