Key result
Infectious mononucleosis can present solely as acute pericarditis, warranting serial heterophil testing in idiopathic cases.
Highlights the importance of considering infectious mononucleosis and performing serial heterophil tests in cases of idiopathic acute pericarditis.
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May support EBV testing in idiopathic pericarditis; single-case report leaves open need for prospective validation.
In a case of infectious mononucleosis the first and only symptoms were those of acute pericarditis. A careful diagnostic survey is most important in each instance of "nonspecific" idiopathic pericarditis, including serial heterophil tests for infectious mononucleosis.
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Steven C. Shapiro (1973) studied this question. Infectious mononucleosis can present with acute pericarditis as its only clinical manifestation, warranting serial heterophil testing in all cases of nonspecific idiopathic pericarditis.
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