Symptoms depend on many things, including: 1  Type and strength of voltage. 2  How long you were in contact with the electricity. 3  How the electricity moved through your body. 4  Your overall health.
Hyponatremia refers to a lower-than-normal level of sodium in the blood. Sodium is essential for many body functions including the maintenance of fluid balance, regulation of blood pressure, and normal function of the nervous system.
A lower than normal sodium level is called hyponatremia. 1  This may be due to: 2  Addison's disease. 3  Dehydration, vomiting, diarrhea. 4  An increase in total body water seen in those with heart failure, certain kidney diseases, or cirrhosis of the liver. 5  Ketonuria. 6  SIADH. 7  Too much of the hormone vasopressin.