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myopericarditis (perimyocarditis)
Etiology:
- same as for pericarditis
Pathology:
- inflammation of myocardium (myocarditis) & enveloping pericardium (pericarditis)
- unrelated to myocardial infarction (MI) [1]
Clinical manifestations:
- pleuritic chest pain
- a friction rub may be present from pericarditis
Laboratory:
- serum creatine kinase MB may be markedly elevated
- serum troponin I may be markedly elevated
Special laboratory:
- electrocardiogram
- ST segment elevation concave downward akin to MI [1]
- echocardiogram
- ventricular wall motion abnormalities
Radiology:
- coronary angiography
- no obstructive coronary artery disease in the distribution of the dysfunctional myocardium
Complications:
- heart failure
- cardiac tamponade as a complication of pericarditis
Notes:
- see myocarditis & pericarditis
Related
myocarditis
pericarditis
References
- Medical Knowledge Self Assessment Program (MKSAP) 16,
American College of Physicians, Philadelphia 2012
- Omar HR, Fathy A, Rashad R, Elghonemy M.
Acute perimyocarditis mimicking transmural myocardial infarction.
Int Arch Med. 2009 Dec 9;2(1):37
PMID: 20003228
- Imazio M, Cecchi E, Demichelis B, Chinaglia A et al
Myopericarditis versus viral or idiopathic acute pericarditis.
Heart. 2008 Apr;94(4):498-501. Epub 2007 Jun 17.
PMID: 17575329
- Imazio M, Trinchero R.
Myopericarditis: Etiology, management, and prognosis.
Int J Cardiol. 2008 Jun 23;127(1):17-26
PMID: 18221804