What are the possible ECG classifications of acute coronary syndromes (ACS)?

Updated: Sep 15, 2020
  • Author: Catharine A Bon, MD; Chief Editor: Kirsten A Bechtel, MD  more...
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Further therapy is based on ECG diagnosis, as follows:

  • STEMI: ST elevation or new left bundle-branch block (LBBB)

  • High-risk non-STEMI ACS: ST depression or dynamic T-wave inversion

  • Low/intermediate-risk ACS: Normal or nondiagnostic changes in ST segment or T wave

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