Abstract
A male patient, aged 31 years, with a cytomegalovirus (CMV) myocarditis is described, who showed a high IgM antibody titer for cytomegalovirus infection of 1:1,024 and a rise of the titer for complement-fixing antibody from 1:< 16 to 1:256. CMV could be isolated from the urine. Investigations for other etiological factors were negative, and we assumed a connection between the cytomegalovirus infection and the myocardial involvement.
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