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SGLT2 inhibitor-associated euglycaemic ketoacidosis — SCE Endocrinology MCQ

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HardDiabetesSGLT2 inhibitor-associated euglycaemic ketoacidosisSCE Endocrinology

A 46-year-old man with type 2 diabetes takes empagliflozin, metformin and ramipril. He is admitted with vomiting and abdominal pain 3 days after starting a ketogenic diet. Glucose is 10.8 mmol/L, bicarbonate 13 mmol/L, pH 7.24 and blood ketones 5.1 mmol/L. What is the most likely diagnosis?

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Correct answer: DEuglycaemic diabetic ketoacidosis

The combination of raised ketones and metabolic acidosis establishes DKA even though glucose is only modestly elevated. SGLT2 inhibitors and carbohydrate restriction are classic precipitants of euglycaemic DKA. Starvation ketosis is usually milder and does not cause this degree of acidosis.

Reference: JBDS DKA guideline, BNF