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stress test

stress test or exercise electrocardiography, in medicine, a test that evaluates the performance of the heart by subjecting it to controlled amounts of physical stress. Such tests, which include walking on a treadmill, measure the heart's reaction to an increased demand for oxygen. The test ends when the patient reaches a predetermined heart rate or experiences chest pain or fatigue. See electrocardiography.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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