[Severe lactic acidosis revealing hematologic malignancy].

A 75-year-old woman is hospitalised for sepsis. The diagnosis of cholecystitis is made and an antibiotic therapy is debuted. The clinical worsening leads to realise an urgent cholecystectomy.

[Atrio-oesophageal fistula after radiofrequency ablation: predominant neurological symptoms].

A 58-year-old man was admitted to our hospital for septic shock and meningitis. He had undergone, three weeks earlier, a radiofrequency ablation for drug-refractory atrial fibrillation. A polymicrobian septicemy suggested a digestive etiology.