GPT and Hyponatremia: Laboratory tests revealed the following: acute kidney injury (serum creatinine level of 3.94 mg/dL), hyponatremia (serum sodium level of 120 mEq/L), hyperuricemia (serum uric acid level of 13.2 mg/dL) and elevated levels of liver enzymes (serum alanine aminotransferase (ALT) level of 202 U/L and serum aspartate aminotransferase (AST) level of 192 U/L).