A 71-year-old woman presents as triage level 1 with a generalized seizure. Sodium is 112 mEq/L, serum osmolality is low, glucose is normal, and

Question

A 71-year-old woman presents as triage level 1 with a generalized seizure. Sodium is 112 mEq/L, serum osmolality is low, glucose is normal, and medication list includes hydrochlorothiazide. Which of the following is the most likely diagnosis?

Accepted Answer

Severe symptomatic hyponatremia

Answer

Hyperosmolar hyperglycemic state

Answer

Pseudohyponatremia from hyperlipidemia

Answer

Central diabetes insipidus

Answer

Primary adrenal crisis with hypernatremia

Severe symptomatic hyponatremia — ABEM Board MCQ

A 71-year-old woman presents as triage level 1 with a generalized seizure. Sodium is 112 mEq/L, serum osmolality is low, glucose is normal, and medication list includes hydrochlorothiazide. Which of the following is the most likely diagnosis?