<prompt> Which is the most common electrolyte abnormality causing seizures in hospitalized patients?HyponatremiaHypernatremiaHypokalemiaHyperkalemia  <response>: Hyponatremia is MC electrolyte abnormality in hospitalized patients and values 120 mEqdl lead to cerebral edema and resultant seizures. Plasma Na concentration 135 mM, is a very common disorder, occurring in up to 22 of hospitalized patients. This disorder is almost always the result of an increase in circulating AVP andor increased renal sensitivity to AVP, combined with an intake of free water; a notable exception is a hyponatremia due to the low solute intake. 