In reviewing laboratory results for a client presenting to t…

In reviewing laboratory results for a client presenting to the Emergency Department with changes in level of consciousness.  The nurse correlates which laboratory value as placing the client at greatest risk for seizures? The lab reference levels are in the table below.  Electrolyte  Normal Value Ranges Serum sodium 135 – 145 mEq/L Serum potassium  3.5 – 5.3 mEq/L Serum chloride  97 – 107 mEq/L Serum magnesium  1.6 – 2.2 mg/dL Serum calcium  8.2 – 10.2 mg/dL