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Cardiac Stress Test : Regadenoson Vs. Dobutamine Hydrochloride


A cardiac stress test is a diagnostic test used in cardiology in which the ability of the heart to respond to stress, either actually induced by physical exercise or stimulated by pharmacologic maneuvers, is measured in a controlled clinical setting. Cardiac stress tests attempt to compare the coronary circulation at rest with that observed during near-maximal physical exertion, with the objective of detecting any exertion-induced imbalances of blood flow to the myocardium. The results may also be interpreted as a reflection on a person's overall physical fitness. These tests are typically included in the initial evaluation of suspected ischemic heart disease, and as a prognostic indicator after myocardial infarction. The first standardized cardiac stress test was developed in 1929 by Arthur Master, a doctor at Mount Sinai Hospital in New York City.

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