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Edema (American English), also spelled oedema (British English), and also known as fluid retention, dropsy and hydropsy, is the build-up of fluid in the body's tissue, [1] a type of swelling. [4] Most commonly, the legs or arms are affected. [1] Symptoms may include skin that feels tight, the area feeling heavy, and joint stiffness. [1]
Angioedema is an area of swelling of the lower layer of skin and tissue just under the skin or mucous membranes. [1] [3] The swelling may occur in the face, tongue, larynx, abdomen, or arms and legs. [1] Often it is associated with hives, which are swelling within the upper skin. [1] [3] Onset is typically over minutes to hours. [1]
The legs are primarily affected, with 4–10% of DVT occurring in the arms. [11] Despite the signs and symptoms being highly variable, [ 5 ] the typical symptoms are pain, swelling , and redness. However, these symptoms might not manifest in the lower limbs of those unable to walk. [ 22 ]
Lymphedema, also known as lymphoedema and lymphatic edema, is a condition of localized swelling caused by a compromised lymphatic system. [2] The lymphatic system functions as a critical portion of the body's immune system and returns interstitial fluid to the bloodstream .
Myxedema's characteristic physical sign is non-pitting edema, in contrast to pitting edema. [1] Myxedema can also occur in the lower leg (pretibial myxedema) and behind the eyes (exophthalmos). [citation needed] Severe cases, requiring hospitalization can exhibit signs of hypothermia, hypoglycemia, hypotension, respiratory depression, and coma.
Hereditary angioedema (HAE) is a disorder that results in recurrent attacks of severe swelling. [3] The swelling most commonly affects the arms, legs, face, intestinal tract, and airway. [3] If the intestinal tract is affected, abdominal pain and vomiting may occur. [1] Swelling of the airway can result in its obstruction and trouble breathing. [1]
Nature versus nurture: Scientists are gathering more evidence on which has more of an impact on human well-being amid the aging process. While both environmental exposures and genetics are known ...
The disease mechanism (pathophysiology) of RS3PE remains unknown. One study suggested a possible role for vascular endothelial growth factor. [13] A study using magnetic resonance imaging found that tenosynovitis of the extensors of the hands and feet is the major contributor to edema. [14]
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