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Bed sores Bed sores is caused from a lack of blood flow and from stress to the skin and tissues over a bony area of the body that has been under pressure for a period of time. Bed sores can stem from a blood supply that is cut off to an area of skin for a period of 2 to 3 hours. The skin is lacking oxygen and begins to deteriorate. When slowly sliding down a bed or chair, friction to the outer skin layer such as from wrinkled bedding and clothing contribute to skin injury and ulcers. Excessive exposure to moisture such as sweat, blood, urine or feces also increases the likelihood of Bed sores. Bed sores, more accurately called pressure sores or pressure ulcers, are areas of damaged skin and tissue that develop when sustained pressure — usually from a bed or wheelchair — cuts off circulation to vulnerable parts of your body, especially the skin on your buttocks, hips and heels. Without adequate blood flow, the affected tissue dies.
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