A 72-year-old man with type 2 diabetes is drowsy after 5 days of thirst and polyuria. Glucose is 46 mmol/L, osmolality is 338 mOsm/kg, ketones are

Question

A 72-year-old man with type 2 diabetes is drowsy after 5 days of thirst and polyuria. Glucose is 46 mmol/L, osmolality is 338 mOsm/kg, ketones are 0.3 mmol/L and venous pH is 7.36. What is the most likely cause?

Accepted Answer

Relative insulin deficiency causing severe osmotic dehydration

Answer

Respiratory alkalosis from hyperventilation

Answer

Absolute insulin deficiency causing heavy ketogenesis

Answer

Excess antidiuretic hormone secretion

Answer

Primary adrenal failure causing salt wasting

Hyperosmolar hyperglycaemic state — PARA MCQ

A 72-year-old man with type 2 diabetes is drowsy after 5 days of thirst and polyuria. Glucose is 46 mmol/L, osmolality is 338 mOsm/kg, ketones are 0.3 mmol/L and venous pH is 7.36. What is the most likely cause?