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  2. Schamberg disease - Wikipedia

    en.wikipedia.org/wiki/Schamberg_disease

    Schamberg's disease, (also known as "progressive pigmentary dermatosis of Schamberg", [1] "purpura pigmentosa progressiva" (PPP), [1] and "Schamberg's purpura" [1]) is a chronic discoloration of the skin found in people of all ages, usually only affecting the feet, legs or thighs or a combination. It may occur as a single event or subsequent ...

  3. Blue toe syndrome - Wikipedia

    en.wikipedia.org/wiki/Blue_toe_syndrome

    Blue toe syndrome is a situation that may reflect atherothrombotic (clots resulting from the build-up of fats, cholesterol, and other substances in and on the artery walls) [1] microembolism, causing transient focal ischaemia, a temporary blockage of blood flow to the brain or spinal cord, [2] occasionally with minor apparent tissue loss, but without diffuse forefoot ischemia. [3]

  4. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    Mitigation may be by supplementary oxygen, pressurisation of the habitat or environmental protection suit, or a combination of both. In all cases the critical effect is the raising of oxygen partial pressure in the breathing gas. [1] Room air at altitude can be enriched with oxygen without introducing an unacceptable fire hazard.

  5. Altitude sickness - Wikipedia

    en.wikipedia.org/wiki/Altitude_sickness

    Oxygen may be used for mild to moderate AMS below 3,700 metres (12,000 ft) and is commonly provided by physicians at mountain resorts. Symptoms abate in 12 to 36 hours without the need to descend. [citation needed]

  6. Hypoxia (medicine) - Wikipedia

    en.wikipedia.org/wiki/Hypoxia_(medicine)

    Hypoxia is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level. [1] Hypoxia may be classified as either generalized, affecting the whole body, or local, affecting a region of the body. [2]

  7. Ischemia - Wikipedia

    en.wikipedia.org/wiki/Ischemia

    Ischemia or ischaemia is a restriction in blood supply to any tissue, muscle group, or organ of the body, causing a shortage of oxygen that is needed for cellular metabolism (to keep tissue alive). [ 3 ] [ 4 ] Ischemia is generally caused by problems with blood vessels , with resultant damage to or dysfunction of tissue, i.e., hypoxia and ...

  8. Trench foot - Wikipedia

    en.wikipedia.org/wiki/Trench_foot

    Trench foot, also known by other names, is a type of foot damage due to moisture. [1] Initial symptoms often include tingling or itching which can progress to numbness. [1] [2] The feet may become red or bluish in color. [1] As the condition worsens the feet can start to swell and smell of decay. [1] Complications may include skin breakdown or ...

  9. Lipodermatosclerosis - Wikipedia

    en.wikipedia.org/wiki/Lipodermatosclerosis

    Studies of patients with lipodermatosclerosis have demonstrated significantly decreased concentrations of cutaneous oxygen associated with decreased capillary density. Capillaries are virtually absent in areas of fibrotic scars, leading to a condition known as atrophie blanche or livedoid vasculopathy.