Annals of internal medicine
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We have studied 35 patients to find the occurrence of hyperchloremic acidosis during the recovery phase of diabetic ketoacidosis. At admission the patients had typical normochloremic acidosis, with increased anion gap exactly balancing decreased serum bicarbonate. ⋯ After the patients with ketoacidosis were treated, the acidosis became predominantly hyperchloremic with normal anion gap. Failure to normalize serum bicarbonate is attributed to excretion of ketone anions in the urine.