Question

A 62-year-old man presents with polyuria, polydipsia and confusion. Capillary glucose is 36 mmol/L. Serum sodium is 152 mmol/L, bicarbonate 24 mmol/L and serum ketones are negative. What is the most likely diagnosis?

Accepted Answer

Hyperosmolar hyperglycaemic state

Answer

Diabetic ketoacidosis

Answer

Alcoholic ketoacidosis

Answer

Starvation ketosis

Answer

Insulinoma

Practice question

A 62-year-old man presents with polyuria, polydipsia and confusion. Capillary glucose is 36 mmol/L. Serum sodium is 152 mmol/L, bicarbonate 24 mmol/L and serum ketones are negative. What is the most likely diagnosis?