Bleeding from a knife cut on the back of the hand

Sep 15 20213 people replied
Description Of Condition:

The vein on the back of the hand was cut and bled by a knife, and it was bleeding badly.Because the wound is not deep and not big, so stop doing a little bandage.Now the wound is oozing blood, the skin around the wound is somewhat cold and numb, I do not know what to do.

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