Question

A 78-year-old woman with type 2 diabetes is admitted with confusion and lethargy. Capillary glucose is 40 mmol/L. Serum osmolality is markedly elevated and there is no significant ketonaemia or acidosis. What is the most likely diagnosis?

Accepted Answer

Hyperosmolar hyperglycaemic state

Answer

Diabetic ketoacidosis

Answer

Hypoglycaemic encephalopathy

Answer

Lactic acidosis

Answer

Addisonian crisis

Practice question

A 78-year-old woman with type 2 diabetes is admitted with confusion and lethargy. Capillary glucose is 40 mmol/L. Serum osmolality is markedly elevated and there is no significant ketonaemia or acidosis. What is the most likely diagnosis?