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Causes of blue toe syndrome
| Mechanical obstruction(secondary to emboli or atherosclerosis) |
| Vasospasm (Due to a primary disease of the blood vessel or secondary to cold, medication or forefoot surgery) |
| Vasculitis |
| Hyperviscosity |
| Hypercoagulability (such as anti-phospholipid syndrome) |
| Calciphylaxis |
| Medication (Warfarin and rarely Steroids) |
