What causes bed sores?

Bed sores. Bed sores are due to pressure injuries to the skin. There are two sides to the equation: the length and type of pressure on the one side; and the vulnerability of the skin on the other (moisture, edema, arterial disease, prior disease, etc.). The types of pressure injuries include friction, shearing, and pressure.
Pressure points. Patients who are bed bound and not being rotated consistently...Resulting in pressure points which cause skin necrosis.

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