How does the back of the hand blacken to return a responsibility?

summary

Most of the elderly and a few young people have the phenomenon of back of hand blackening, so we need to seize the time for treatment. Many patients don't know this very well. So what's the matter with the patient's back of hand being pale?, Now let's take a concrete look.

How does the back of the hand blacken to return a responsibility?

First, the local blood circulation is poor. If the back of the hand of the elderly is blackened and progressively aggravated, it is considered that the blood circulation is poor due to the deposition of atherosclerotic plaque and blocking of blood vessels in the elderly, resulting in subcutaneous congestion.

Second, the blackening of the back of the hand caused by trauma may be the subcutaneous soft tissue injury caused by the collision of the blackened part, resulting in capillary rupture and bleeding, resulting in congestion of the back of the hand.

Third: cold weather, part of the elderly hand back bleeding and congestion is due to the abnormal cold weather, poor blood circulation on the back of the hand, local lack of blood and oxygen supply.

matters needing attention

Birthmarks are also one of the causes of hand blackness. Generally speaking, birthmarks can be divided into two types: Pigmented type and vascular type. The common pigmented types include nevus of Ota, congenital pigmented nevus and coffee spot; Vascular types include port wine stains, strawberry hemangioma, etc.