A 23-year-old Malay woman with no past medical illness was admitted for a 4-day history of epigastric pain, vomiting and drowsiness. Investigations showed a high anion-gap metabolic acidosis with elevated serum ketones and hyperglycaemia, consistent with diabetic ketoacidosis (DKA). Anti-glutamic acid decarboxylase autoantibodies were positive, consistent with type 1 diabetes mellitus.
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