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Zone of hyperaemia

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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The zone of hyperaemia in a burn injury is a volume of tissue surrounding the zone of stasis. In this area, local production of inflammatory mediators causes widespread dilatation of blood vessels with clinical erythema.

After the acute phase of the burn, the zone of hyperaemia returns to normal perfusion.

If the total body surface area burn is greater than 25%, the zone of hyperaemia typically covers the entire body surface.

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