Crush injury — DIPIMC MCQ
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Correct answer: A — Establish intravenous access and give fluids before the crushing force is released.
Prolonged crush injury risks crush syndrome with hyperkalaemia, myoglobinuria and reperfusion collapse, so intravenous fluids are started before the compressing force is released. Sudden release without preparation can precipitate cardiac arrest from a surge of potassium and acid. Potassium administration would be actively harmful in this setting.
Reference: JRCALC Clinical Guidelines