A 60-year-old patient presents with confusion and seizures. Labs show Na⁺ = 120 mEq/L. What is the most appropriate immediate therapy?

Correct option is C

Severe symptomatic hyponatremia (<120 mEq/L) requires 3% hypertonic saline to prevent cerebral edema and seizures.
Explanation of options: (a) ✘ Oral salt tabs too slow, not for acute symptomatic cases. (b) ✘ NS is for mild-moderate cases; here hypertonic saline needed. (c) ✔ Correct; 3% NS is treatment for severe symptomatic hyponatremia. (d) ✘ Fluid restriction is for chronic/mild cases.