Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

pressure ulcer

a wound with a localized area of necrosis

factors to pressure ulcer formation

1. external pressure compresses blood vessels 2. friction and shearing forces injure vessels and abrade top skin layer


deficiency of blood to tissue. caused usually by external pressure


inadequate oxygen to cells


death of tissue


when one layer of tissue slides over another

Risks for pressure ulcer development

immobility, nutrition, hydration, surface moisture, mental status, age.

Stage 1

A defined area of intact skin with nonblanchable redness of a localized area usually over a bony prominence.

Stage 2

Partial thickness loss

Stage 3

Full thickness loss, sub Q exposure, but not bone, tendon or muscle.

Stage 4

bone muscle tendon exposed.

Stage 5

Unstageable: can't see bed because of slough, eschar, or other.


black leather scab of dead tissue

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording