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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]
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 .
Cerebral edema occurs most commonly in conjunction with a rapid rise in ammonia levels. [5] Toxic exposures to methionine sulfoximine, cuprizone, isoniazid, triethyltin, hexachlorophene, and hydrogen cyanide have been associated with cytotoxic edema and swelling of astrocytic cells. [21]
Edema refers to the swelling that happens when the body retains water. It occurs when tiny blood vessels called capillaries leak fluid into surrounding tissues, which causes visible swelling and ...
An edema-related swelling or a bloated feeling occurs when excess fluid gets trapped in the body’s tissues. Although edema can happen with heart failure, it can also occur with kidney disease ...
Angioedema is an area of swelling (edema) 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.
Diabetic macular edema, with hard exudates surrounding the blood vessels. Macular edema occurs when fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken and swell (edema). The swelling may distort a person's central vision, because the macula holds tightly packed ...
Peripheral edema. Other names. Peripheral oedema, [1][2] dependent edema. Leg edema. Peripheral edema is edema (accumulation of fluid causing swelling) in tissues perfused by the peripheral vascular system, usually in the lower limbs. In the most dependent parts of the body (those hanging distally), it may be called dependent edema.