A patient with a history of angina and hypertension is getting a preoperative evaluation for a knee replacement. His preoperative history and physical examination revealed no abnormalities. The preoperative labs, however, reveal a serum potassium level of 5.9 mEq/L. The next intervention would be to:

Question

Quizplus · Accepted Answer

A repeat serum potassium level should be drawn to confirm the hyperkalemia before initiating any treatment, as lab errors can occur.

A Patient with a History of Angina and Hypertension Is