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Symptoms and Signs – Differential Diagnosis of Digital gangrene
Emboli
Inadvertent intra-arterial injection in IV drug users
Peripheral vascular disease, diabetes mellitus, Buerger's disease
Subclavian artery compression (e.g. cervical rib)
Vasculitis, e.g. rheumatoid arthritis, polyarteritis nodosa, cryoglobulinaemia
Vasospasm: Raynaud's phenomenon
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