Question

A 58-year-old man with long-standing type 2 diabetes presents with marked thirst and confusion over several days. Capillary glucose is 38 mmol/L, serum osmolality is raised and there are minimal urinary ketones. Venous blood gas shows pH 7.38. Which diagnosis best explains these findings?

Accepted Answer

Hyperosmolar hyperglycaemic state

Answer

Diabetic ketoacidosis

Answer

Lactic acidosis

Answer

Hypoglycaemia

Answer

Alcoholic ketoacidosis

Practice question

A 58-year-old man with long-standing type 2 diabetes presents with marked thirst and confusion over several days. Capillary glucose is 38 mmol/L, serum osmolality is raised and there are minimal urinary ketones. Venous blood gas shows pH 7.38. Which diagnosis best explains these findings?