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Also known as: ALI · acute arterial occlusion · cold pulseless limb
Sudden loss of arterial perfusion to a limb — a surgical emergency. The 6 Ps: Pain, Pallor, Pulselessness, Paraesthesia, Paralysis and Perishing cold. Muscle and nerve injury begin within hours.
Embolism (atrial fibrillation, post-MI mural thrombus), thrombosis on peripheral arterial disease, trauma, aneurysm and bypass-graft occlusion.
Prevent propagation while arranging revascularisation
Caution: Check for contraindications to anticoagulation (e.g., active bleeding, trauma).
Ischaemic pain
Guidelines change. If something here is out of date, tell us — we keep these current.
🚩 Report outdated / suggest update