A man in his 60s with end-stage kidney disease on hemodialysis presents with generalized weakness after missing two dialysis sessions. His serum potassium is 8.8 mmol/L. The ECG obtained on arrival is shown below. Figure 1: ECG at Presentation Reference: BMJ Case Reports (scroll down to answer the question) ##Disclaimer## The content provided on Docplexus is intended for educational purposes only.

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