Digital necrosis

Ischemic death of tissue in one or more fingers or toes characterized clinically by pallor or cyanosis progressing to black, mummified, nonviable digits.

Causes

• Arterial occlusion

  • Blood clot

  • Embolism

  • Atherosclerotic plaque

• Vasospasm: Raynaud's disease

• Vasculitis

• Scleroderma

• Systemic lupus erythematosus (SLE)

• Vasopressor use

• Diabetic neuropathy

• Hypercoagulable states