uk-plab-1 MCQ (SBA): Hyperosmolar hyperglycaemic state

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ModerateEndocrinologyHyperosmolar hyperglycaemic stateuk-plab-1

A 72-year-old woman with long-standing type 2 diabetes presents with confusion and marked dehydration. Her blood glucose is 45 mmol/L, serum osmolality is raised and there is no significant ketonaemia or acidosis. What is the most likely diagnosis?

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