Diagnosis of Haemophilus Influenzae Type b Pericarditis by Counterimmunoelectrophoresis

Abstract
A 6-yr-old girl developed pericardial tamponade because of pericarditis caused by H. influenzae type b. Bacteriological cultures of the pericardial exudate were negative. The etiological diagnosis was established by counterimmunoelectrophoresis (CIE).