us-abem MCQ (SBA): Hyperkalaemia with ECG changes

Instant feedback + full explanation. One question, done properly.

EasyNephrology/Emergency MedicineHyperkalaemia with ECG changesus-abemus-usmle-step-2us-usmle-step-3

A 67-year-old with EKG showing wide QRS, peaked T waves; serum K⁺ 7.1 mEq/L and junctional rhythm. What is the immediate first medication?

Educational content. Not a substitute for clinical judgement or local policy.

us-abem MCQ: Hyperkalaemia with ECG changes — Answer & Explanation | i