How were the ACC/AHA guidelines for treadmill stress testing prepared?

Updated: Nov 21, 2018
  • Author: David Akinpelu, MD, FACP; Chief Editor: Eric H Yang, MD  more...
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The ACC/AHA guidelines for exercise stress testing were initially developed in 1997 to create recommendations for the appropriate use of testing in the diagnosis, prognosis, and treatment of patients with known or probable cardiovascular disease. [9] These guidelines were revised in 2002. [10]

In the original guidelines, the available scientific evidence was not ranked as belonging to level A, B, or C. In the later recommendations that appear in the update, however, the level of evidence is considered.

Evidence is ranked highest (A) if the data are based on multiple randomized clinical trials involving large numbers of patients. An intermediate rank (B) indicates data derived from a limited number of randomized trials involving small numbers of patients or from careful analyses of nonrandomized studies or observational registries. The lowest rank (C) indicates that the recommendation is primarily based on expert consensus. When few or no data exist, this is noted in the text.

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