Why is it important to distinguish STEMI from non-STEMI in the initial evaluation of acute coronary syndrome (ACS)?

Updated: May 07, 2019
  • Author: A Maziar Zafari, MD, PhD, FACC, FAHA; Chief Editor: Eric H Yang, MD  more...
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Although the initial treatment of the different types of acute coronary syndrome (ACS) may appear to be similar, it is very important to distinguish whether the patient is having an ST-elevation MI (STEMI) or a non–STEMI (NSTEMI), because definitive therapies differ between these two types of MI. Particular considerations and differences involve the urgency of therapy and the degree of evidence regarding different pharmacologic options.

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