Exercise Stress Testing: Indications and Common Questions.

Link to article at PubMed

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Exercise Stress Testing: Indications and Common Questions.

Am Fam Physician. 2017 Sep 01;96(5):293-299

Authors: Garner KK, Pomeroy W, Arnold JJ

Exercise stress testing is a validated diagnostic test for coronary artery disease in symptomatic patients, and is used in the evaluation of patients with known cardiac disease. Testing of asymptomatic patients is generally not indicated. It may be performed in select deconditioned adults before starting a vigorous exercise program, but no studies have compared outcomes from preexercise testing vs. encouraging light exercise with gradual increases in exertion. Preoperative exercise stress testing is helpful for risk stratification in patients undergoing vascular surgery or who have active cardiac symptoms before undergoing nonemergent noncardiac surgery. Exercise stress testing without imaging is the preferred initial choice for risk stratification in most women. Sensitivity and specificity increase with the use of adjunctive imaging such as echocardiography or myocardial perfusion imaging with single-photon emission computed tomography. Exercise stress testing is rarely an appropriate option to evaluate persons with known coronary artery disease who have no new symptoms less than two years after percutaneous intervention or less than five years after coronary artery bypass grafting. The Duke treadmill score has excellent prognostic value for exercise stress testing. Imaging is not necessary if patients are able to achieve more than 10 metabolic equivalents on exercise stress testing. Exercise stress testing is not indicated before noncardiac surgeries in patients who can achieve 4 metabolic equivalents without symptoms.

PMID: 28925651 [PubMed - in process]

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