Identifying Electrolyte Imbalance in Dehydration

A patient has been admitted to the emergency department with severe dehydration due to prolonged vomiting and diarrhea. Laboratory tests reveal the following electrolyte levels: Sodium (Na+) 150 mEq/L, Potassium (K+) 2.5 mEq/L, and Chloride (Cl-) 100 mEq/L. Based on these results, the nurse identifies that the patient is at high risk for which specific electrolyte imbalance that requires immediate intervention? Fill in the blank: The patient is at high risk for __________ (Electrolyte).