A 75-year-old man required prolonged intravenous drug therapy for post-myocardial infarction arrhythmias and developed infection with Staphylococcus aureus at the site of his indwelling cannula. He received prompt antibiotic therapy but was readmitted to hospital five weeks later with a terminal illness which proved at post-mortem to be a staphylococcal pleuropericarditis. We consider that this fatal infection orginated at his venous cannula site. The problems of diagnosis are discussed.
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