Canadian Medical Guide > Diseases > Skin and Connective Tissue Diseases > Skin Diseases > Skin Ulcer > Decubitus Ulcer Terms and Definitions

Decubitus Ulcer

Medical Definition:	An ulceration caused by prolonged pressure in patients permitted to lie too still for a long period of time. The bony prominences of the body are the most frequently affected sites. The ulcer is caused by ischemia of the underlying structures of the skin, fat, and muscles as a result of the sustained and constant pressure.
Guide Notes:	skin ulcer from prolonged pressure lying in bed

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