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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.

  3. Gangrene - Wikipedia

    en.wikipedia.org/wiki/Gangrene

    Gangrene toes in a diabetic. Gangrene is a type of tissue death caused by a lack of blood supply. [4] The feet and hands are most commonly affected. [1] If the gangrene is caused by an infectious agent, it may present with a fever or sepsis.

  4. Acute decompensated heart failure - Wikipedia

    en.wikipedia.org/wiki/Acute_decompensated_heart...

    Acute decompensated heart failure (ADHF) is a sudden worsening of the signs and symptoms of heart failure, which typically includes difficulty breathing , leg or feet swelling, and fatigue. [1] ADHF is a common and potentially serious cause of acute respiratory distress. The condition is caused by severe congestion of multiple organs by fluid ...

  5. Heart failure - Wikipedia

    en.wikipedia.org/wiki/Heart_failure

    Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]

  6. Porphyria - Wikipedia

    en.wikipedia.org/wiki/Porphyria

    Porphyria / p ɔːr ˈ f ɪr i ə / is a group of disorders in which substances called porphyrins build up in the body, adversely affecting the skin or nervous system. [1] The types that affect the nervous system are also known as acute porphyria, as symptoms are rapid in onset and short in duration. [1]

  7. Raynaud syndrome - Wikipedia

    en.wikipedia.org/wiki/Raynaud_syndrome

    Patients with secondary Raynaud's can also have symptoms related to their underlying diseases. Raynaud's phenomenon is the initial symptom that presents for 70% of patients with scleroderma, a skin and joint disease. [citation needed] When Raynaud's phenomenon is limited to one hand or one foot, it is referred to as unilateral Raynaud's.

  8. Porphyria cutanea tarda - Wikipedia

    en.wikipedia.org/wiki/Porphyria_cutanea_tarda

    [citation needed] The resulting blisters, therefore, do not appear immediately but begin to show up 2–3 days after sun exposure. Due to the highly conjugated structure of porphyrins involving alternating single and double carbon bonds, these compounds exhibit a deep purple color, resulting in the discoloration observed in the skin.

  9. Flammer syndrome - Wikipedia

    en.wikipedia.org/wiki/Flammer_syndrome

    Best known is the higher risk of normal tension glaucoma, a disease with an impaired regulation of blood flow in a large number of patients. [9] If glaucomatous damage occurs despite normal eye pressure or if glaucomatous damage is progressive despite normalized intraocular pressure, frequently Flammer syndrome is the cause.

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