Which factors indicate an intermediate risk of acute coronary syndrome (ACS) in unstable angina?

Updated: Oct 01, 2020
  • Author: Walter Tan, MD, MS; Chief Editor: Eric H Yang, MD  more...
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An intermediate likelihood of ACS includes the absence of high-likelihood features but the presence of one of the following risk characteristics:

  • Age greater than 70 years

  • Male sex

  • Diabetes mellitus

  • Extracardiac vascular disease (peripheral, brachiocephalic, or renal artery atherosclerosis)

  • ST depression of 0.05-1 mm

  • T-wave inversion of 1 mm or greater in leads with dominant R waves

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