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Paediatric diabetic ketoacidosis — RCPSC EM MCQ

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ModeratePaediatric emergenciesPaediatric diabetic ketoacidosisRCPSC EM

A 14-year-old with type 1 diabetes presents with abdominal pain and vomiting. Capillary glucose is 29 mmol/L, pH is 7.12, bicarbonate is 8 mmol/L and potassium is 5.4 mmol/L. He is drowsy but protecting his airway. What is the most appropriate investigation?

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Correct answer: C — Venous blood gas with electrolytes and ketones plus serial potassium and glucose monitoring

Paediatric DKA is diagnosed by hyperglycaemia, acidosis and ketosis. Initial evaluation must guide careful fluids, insulin timing and potassium replacement while monitoring for cerebral injury.

Reference: Canadian Paediatric Society diabetic ketoacidosis guidance; PALS