ca-mccqe1 MCQ (SBA): Hyperkalaemia with ECG changes

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EasyNephrologyHyperkalaemia with ECG changesca-mccqe1ca-rcpsc-em

A 70-year-old woman with CKD stage 3 is found to have a potassium of 6.7 mmol/L with ECG showing tall, peaked T waves and a shortened QT interval. She is haemodynamically stable. What is the most urgent immediate treatment?

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