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Skin pattern of livedo racemosa due to decompression sickness

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The pattern of livedo racemosa is caused by vascular occlusion of arterioles with irregular, local perfusion deficiency leading to a reddish blue, irregular mottling of the skin. The cases shown in this figure were due to decompression sickness. (Source: Hartig F, Reider N, Sojer M, et al. Right/left shunt. Front Physiol 2020;11:994. Copyright © 2020. Hartig, Reider, Sojer, Hammer, Ploner, Muth, Tilg, and Köhler. Creative Commons Attribution License [CC BY], https://creativecommons.org/licenses/by/2.0/legalcode.)