Raynaud's Phenomenon.

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<p>Raynaud's Phenomenon has been visualised using thermal infrared which allows us to see thermal energy or radiation more commonly referred to as heat. The image shows the hand of a person experiencing symptoms of Raynaud's against that of a person who is unaffected. The hand affected with Raynaud's is on the right, the other hand is unaffected. This image shows both hands after exposure to cold water for 2 minutes, both hands appear to emit low levels of radiation. This image illustrates how the unaffected hand warms considerably quicker and begins to emit higher levels of radiation (heat) soon after exposure whilst the affected hand continues to emit lower levels.  The different colours in the images represent different levels of thermal energy being emitted from the skin's surface. In this image the yellow and orange colours show a high level of thermal energy and the blue, black and purple a lower level.  Thermogram 28.01.2015</p>

Raynaud's Phenomenon.

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