Which clinical history findings are characteristic of enteroviral myopericarditis?

Updated: Mar 01, 2018
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Enteroviruses appear to be the most common viral cause of myopericarditis and account for at least half of all cases of acute myopericarditis.

Neonatal infections typically develop within the first week of life, and involvement is predominantly myocardial. In contrast, older children and adults usually present with symptoms of pericarditis.

The typical presentation in adolescents and adults is shortness of breath, chest pain, and fever 1-2 weeks following an upper respiratory tract infection. Chest pain may be dull or sharp; it is worsened by inspiration and may improve with sitting and leaning forward. It can be differentiated from angina by lack of response to nitroglycerin.

Enteroviral myocarditis can present as acute myocardial infarction associated with arrhythmias and heart failure. Some patients with myocardial infarction who have normal findings on coronary angiographic studies have been shown to have myocarditis by radiolabeled antimyosin antibody cardiac scanning. [38]


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