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Recurrent myocarditis--an important mimic of ischaemic myocardial infarction

Bo Xu1, V Michael Jelinek, James L Hare

  • 1Department of Cardiology, St. Vincent's Hospital Melbourne, 41 Victoria Parade, Fitzroy, VIC 3065, Australia.

Heart, Lung & Circulation
|March 8, 2013
PubMed

Insights

Myocarditis can mimic heart attacks, presenting with chest pain and elevated cardiac enzymes. This condition, often diagnosed with cardiac MRI, requires consideration when coronary angiography shows no blockages.

Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Pathology

Background:

  • Chest pain and elevated cardiac enzymes are common cardiology presentations.
  • Ischaemic myocardial infarction due to coronary artery disease is the most frequent cause.
  • Diagnosis can be challenging when coronary angiography reveals no obstructive lesions.

Observation:

  • This study reports the first Australian cases of recurrent myocarditis.
  • Patients presented with ischaemic chest pain and elevated cardiac enzyme levels.
  • Cardiac magnetic resonance imaging aided in diagnosis.

Findings:

  • Myocarditis can present with symptoms similar to myocardial infarction.
  • Recurrent myocarditis was observed in these cases.
  • Absence of obstructive coronary artery lesions on angiography is a key diagnostic clue.

Implications:

  • Myocarditis should be considered in the differential diagnosis of myocardial infarction.
  • Cardiac magnetic resonance imaging is a valuable tool for diagnosing myocarditis.
  • Clinicians must be aware of myocarditis as a mimic of ischaemic heart disease.

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