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Author: Syed R. Latif, MD

Date: January 7, 2018

Indications and Purpose of the Scan

  • Myocarditis is an inflammatory disease that may be caused by a variety of etiologies. Myocarditis can be a challenging diagnosis. CMR has become a primary technique for assessment of myocardial inflammation.

Why CMR (specific advantages for this topic)

  • CMR is important because it can help confirm the diagnosis, assess the presence of inflammation as well as pericardial involvement and provide prognostic data.

Evidence Examples from the Literature

  • Grani C, Eichhorn C, Biere L, et al. Prognostic Value of Cardiac Magnetic Resonance Tissue Characterization in Risk Stratifying Patients With Suspected Myocarditis. J Am Coll Cardiol 2017;70:1964-76.
    • This study demonstrated that tissue characterization with CMR is an effective method of risk stratifying patients with suspected myocarditis.
  • Aquaro GD, Perfetti M, Camastra G, et al. Cardiac MR With Late Gadolinium Enhancement in Acute Myocarditis With Preserved Systolic Function: ITAMY Study. J Am Coll Cardiol 2017;70:1977-87.
    • This study demonstrated that in acute myocarditis and preserved left ventricular ejection fraction, mid-myocardial late gadolinium enhancement is associated with worse prognosis.


  • Any implanted device that is not MRI compatible
  • Inability to lie flat
  • Inability to tolerate the scan
  • Altered mental status
  • Severe arrhythmias


  1. Friedrich MG, Sechtem U, Schulz-Menger J, et al. Cardiovascular Magnetic Resonance in Myocarditis: A JACC White Paper. J Am Coll Cardiol 2009;53:1475-87.
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