Tachyarrhythmia & hyperkalaemia

HIGH-YIELD Appears 4×

Teaching point

Stable wide-complex tachycardia (VT) -> amiodarone; unstable -> synchronised DC cardioversion. Hyperkalaemia WITH ECG changes -> IV calcium gluconate first (cardioprotection) then insulin+dextrose; no ECG changes/mild -> cease offending drug + resonium +/- insulin-dextrose.

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