When the postcardiac surgery patient demonstrates restlessness, nausea, weakness, and peaked T waves, the nurse reviews the patient's serum electrolytes anticipating which abnormality?

When the postcardiac surgery patient demonstrates restlessness, nausea, weakness, and peaked T waves, the nurse reviews the patient's serum electrolytes anticipating which abnormality?


a) Hypercalcemia

b) Hyponatremia

c) Hypomagnesemia

d) Hyperkalemia



Answer: Hyperkalemia