Atif malik
Member
- Joined
- Aug 27, 2018
- Messages
- 47
A 74-year-old type 2 diabetic woman undergoes a bowel resection for cancer of the colon. She is well prior to the operation with well–controlled diabetes and no other underlying disease. The operation is successful and the patient is given postoperative insulin and IV dextrose. Two days after the operation she becomes very agitated.
Sodium 124 (135–145)
Potassium 3.3 (3.5–5.0)
Urea 3.1 (3.0–7.0)
Glucose 7.2 (2.5–6.0)
Serum osmolality 265 (275–295)
Urine osmolality 150
The most likely cause of hyponatraemia is
A. Addison’s disease
B. Syndrome of inappropriate anti-diuretic hormone (SIADH)
C. Diabetic nephropathy
D. Excess insulin
E. Water overload
Sodium 124 (135–145)
Potassium 3.3 (3.5–5.0)
Urea 3.1 (3.0–7.0)
Glucose 7.2 (2.5–6.0)
Serum osmolality 265 (275–295)
Urine osmolality 150
The most likely cause of hyponatraemia is
A. Addison’s disease
B. Syndrome of inappropriate anti-diuretic hormone (SIADH)
C. Diabetic nephropathy
D. Excess insulin
E. Water overload