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Serratia rubidaea is an opportunist pathogenic bacterium, it is rarely identified in man, and when so, generally found in the respiratory tract, wounds, feces, bile, but also in blood. S. rubidaea can be responsible for infection, particularly in debilitated patients, receiving broad spectrum antibiotics or after undergoing extensive surgery, or invasive procedures. We report the case of a 54-year-old, nicotinic patient, with no previous medical history, admitted for complete arrhythmia due to auricular fibrillation. The patient had been carrying an arterial catheter for two weeks. Two hemocultures were positive in the first 48 hours with identification of Serratia rubidaea. S. rubidaea features inductible chromosomal betalactamase of the cephalosporinase type, resistant to ampicilline and cefalotin. The treatment combined gentamycin 160 mg/d and ciprofloxacin 400 mg/d for 10 days. The evolution was favourable.

Abstract: Serratia rubidaea is an opportunist pathogenic bacterium, it is rarely identified in man, and when so, generally found in the respiratory tract, wounds, feces, bile, but also in blood. S. rubidaea can be responsible for infection, particularly in debilitated patients, receiving broad spectrum antibiotics or after undergoing extensive surgery, or invasive procedures. We report the case of a 54-year-old, nicotinic patient, with no previous medical history, admitted for complete arrhythmia due to auricular fibrillation. The patient had been carrying an arterial catheter for two weeks. Two hemocultures were positive in the first 48 hours with identification of Serratia rubidaea. S. rubidaea features inductible chromosomal betalactamase of the cephalosporinase type, resistant to ampicilline and cefalotin. The treatment combined gentamycin 160 mg/d and ciprofloxacin 400 mg/d for 10 days. The evolution was favourable. [Copyright &y& Elsevier]