Echovirus 4 infection can be associated with myocarditis and ventricular tachycardia in pediatric patients.
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Echovirus 4 may cause pediatric myocarditis with VT; extends viral etiology spectrum but remains hypothesis-generating.
A 16-year-old boy developed ventricular tachycardia during the course of febrile upper-respiratory tract infection. The arrhythmia was treated with cardioversion, and the patient recovered. The positive etiologic feature identified was an echovirus 4, which may have produced a myocarditis that would acount for the arrhythmia.
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William F. Meehan (1970) studied this question.
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