Which lab tests do guidelines recommend in the workup of myocardial infarction (MI, heart attack)?

Updated: May 07, 2019
  • Author: A Maziar Zafari, MD, PhD, FACC, FAHA; Chief Editor: Eric H Yang, MD  more...
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Answer

Laboratory tests used in the diagnosis of myocardial infarction (MI) include the following:

  • Cardiac biomarkers/enzymes: The American College of Cardiology/American Heart Association (ACC/AHA) and the European Society of Cardiology (ESC) guidelines recommend cardiac troponin as the only cardiac biomarker that should be measured at presentation in patients with suspected MI, due to its superior sensitivity and accuracy. Troponin is a contractile protein that is not normally found in serum; it is released only when myocardial necrosis occurs.
  • Complete blood cell (CBC) count
  • Comprehensive metabolic panel
  • Lipid profile

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