Which laboratory abnormality in acute kidney injury is most urgent to address?

Question

Accepted Answer

B. Potassium 6.4 mEq/L — Severe hyperkalemia is immediately life-threatening because it can cause lethal dysrhythmias. It takes priority over elevated BUN or creatinine.

Answer

A. Creatinine 2.0 mg/dL

Answer

C. BUN 34 mg/dL

Answer

D. Phosphate 4.8 mg/dL