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Non-freezing cold injuries (NFCI) is a class of tissue damage caused by sustained exposure to low temperature without actual freezing. [1] There are several forms of NFCI, and the common names may refer to the circumstances in which they commonly occur or were first described, such as trench foot, which was named after its association with trench warfare.
A mild case of trench foot. Nonfreezing cold injury commonly affects the feet due to prolonged exposure to wet socks or cold standing water. [4] Symptoms progress through a series of four stages. [4] [15] A severe case of trench foot. During cold exposure. Affected skin becomes numb, which can cause a clumsy walking pattern if the feet are affected
"The most common cause is related to an over-accumulation of cholesterol, and possibly calcium, within the vessels, resulting in a low blood flow state, which would cause cold feet." 3. Raynaud ...
It can manifest in many symptoms, such as cold hands and feet, and is often associated with low blood pressure. In certain cases it is associated with or predisposes to the development of diseases such as a normal tension glaucoma. [2] Flammer syndrome is named after the Swiss ophthalmologist Josef Flammer.
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Trench foot occurs due to prolonged exposure of the feet to cold, damp, and often unsanitary conditions. [1] Unlike frostbite, trench foot usually occurs at temperatures above freezing, [1] and can be classed as a form of non-freezing cold injury. [3] Onset can be as rapid as 10 hours. [1] Risk factors include overly tight boots and not moving. [4]
Causes: Temperatures below freezing [1] Risk factors: Alcohol, smoking, mental health problems, certain medications, prior cold injury [1] Diagnostic method: Based on symptoms [3] Differential diagnosis: Frostnip, pernio, trench foot [4] Prevention: Avoid cold, wear proper clothing, maintain hydration and nutrition, stay active without becoming ...