Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Skin Ulcers
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Pressure injuries are described in four stages. Stage 1 sores are not open wounds. The skin may be painful, but it has no breaks or tears. The skin appears reddened and does not blanch (lose color briefly when you press your finger on it then remove your finger). In a dark-skinned person, the area...
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Learn how to safely turn a person in bed.
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As we get older, our skin gets more thin and dry, so it is easier to damage. The chance of skin damage is higher for people who can't move much and who spend most of their time in bed or in a wheelchair. The skin can develop rashes and sores, especially pressure injuries. These sores are caused by constant...
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Lying in one position for a long time can cause pressure injuries. You can help avoid pressure injuries by helping your loved one turn and change position in bed. This is also helpful when you need to do things like change sheets, help with a bedpan, give a back rub, or change a bandage. When helping someone move in...
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Relieve pressure on the skin Relieving and spreading out pressure is the most important part of both preventing and treating pressure injuries. Putting pressure on one spot for long periods of time decreases blood flow to that area. This damages or...
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What are pressure injuries? A pressure injury on the skin is caused by constant pressure to that area. This often occurs when a person lies in bed or sits in a chair for a long time. Pressure reduces blood supply to the skin. Over time, this can cause the skin to break down and form an open sore. Pressure injuries are...
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What is a venous skin ulcer? A skin ulcer is a type of wound that develops on the skin. A venous skin ulcer is a shallow wound that occurs when the leg veins don't return blood back toward the heart the way they should. This is called venous insufficiency. See a picture of abnormal blood flow caused by venous...
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Venous skin ulcers develop when the lower leg veins are weakened and cannot efficiently move the blood back toward the heart. Pooled blood and fluid in the lower legs then leads to tissue breakdown. You can prevent or heal a venous skin ulcer by helping your blood circulate back toward your heart. Leg...