Hyperkalemia and hypocalcemia




 A 60F with CRF due to HTN and a recent neck surgery came in due to leg  pain. What is your ECG interpretation?


Figure 1 - ECG case

The rhythm is sinus with peak T waves in the precordial leads and a prolonged QTc (500 ms). Labs revealed a K of 7 and Ca is 5. The neck surgery was parathyroidectomy which can explain the hypocalcemia. Patient had dialysis and Ca was replaced.

Interpretation: Sinus rhythm with ECG manifestations of hyperkalemia (peak T waves) and hypocalcemia (prolonged QTc).

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