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General clinical features of gangrene

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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General features include:

  • poor or absent arterial pulses, venous return, capillary response to pressure - indicated by return of colour - sensation, warmth, and function
  • characteristic colour changes - pale, grey, mottled, blue then finally, dark brown, greenish black or black. The final colouration is due to the disintegration of haemoglobin and formation of iron sulphide.

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