Leg ulcer Venous ulcers

Leg ulcer Venous ulcers - Leg ulcer Venous ulcers...

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Unformatted text preview: Leg ulcer Venous ulcers Population affected: Venous ulcers are the most common form of leg ulcer, accounting for ~70%. They are especially common in later life affecting ~1% of the over 70s. They result from sustained venous hypertension, often due to incompetency of valves. The increased pressure in the venous blood leads to extravasations of fibrin and fluid resulting in oedema and scarring and therefore poor oxygenation of the surrounding tissues. This makes the tissues more susceptible to breaking down. Location: Venous ulcer commonly present on the lower leg (above and medial to the ankles called the GAITER REGION) and are characterised by shallow, itchy, sore, oozing ulcers which are often associated with venous eczema, brown pigmentation (Haemosiderin), varicose veins, scarring and telagectasia. Appearance: Base : Venous ulcers have a wet appearance that is mostly red in colour, but often has the appearance of yellow fibrous tissue. If the ulcer looks green or it has yellow discharge, it is often infected yellow fibrous tissue....
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This note was uploaded on 12/04/2011 for the course ANT ANT2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Leg ulcer Venous ulcers - Leg ulcer Venous ulcers...

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