The Use of Planimetry for Calculating the Surface Area of a Burn Wound

Abstract
The surface area (in linear units squared) of a burn wound can be calculated simply and accurately by making a tracing of its periphery on the exterior surface of a sheet of surgical incise drape applied to the lubricated burn surface. This figure is retraced on the digitizing board and x-y coordinate plotter attachments of a computer programmed to total such data according to a simple land surveying formula. The use of this method, which is an alternative to older methods employing photographic technique and mechanical planimetry, is limited to wound surfaces that do not have highly complex topography.
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