Bromide poisoning and false hyperchloraemia.

A 36-year-old female patient was admitted at three different times for neur opsychiatric disorders. No diagnoses were made during the first two hospita l stays. A pseudo-hyperchloraemia allowed the diagnosis of bromide poisonin g during her third hospital stay. Chloraemia was measured over 16 days by p otentiometric, colorimetric and coulometric methods, in order to assess the analytical interferences caused by bromides. Results are reported and disc ussed. Bromide poisoning was treated by saline diuresis. (C) 2000 Editions scientifiques et medicales Elsevier SAS.