International Journal of Cardiovascular ResearchISSN: 2324-8602

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About Myocardial Infarction

Signs and symptoms:

Patients with typical myocardial infarction may have the following prodromal symptoms in the days preceding the event (although typical STEMI may occur suddenly, without warning):

  • Fatigue
  • Chest discomfort
  • Malaise


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

  • Cardiac biomarkers/enzymes
  • Troponin levels
  • Creatine kinase (CK) levels
  • Myoglobin levels
  • Complete blood count
  • Chemistry profile
  • Lipid profile
  • C-reactive protein and other inflammation markers


For patients with chest pain, prehospital care includes the following:

  • Intravenous access, supplemental oxygen, pulse oximetry
  • Immediate administration of aspirin en route
  • Nitroglycerin for active chest pain, given sublingually or by spray
  • Telemetry and prehospital ECG.


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