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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]
The condition is commonly associated with vascular and cardiac changes associated with aging but can be caused by many other conditions, including congestive heart failure, kidney failure, liver cirrhosis, portal hypertension, trauma, alcoholism, altitude sickness, pregnancy, hypertension, sickle cell anemia, a compromised lymphatic system or merely long periods of time sitting or standing ...
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]
It occurs when the body fails to acclimatize while ascending to a high altitude. It appears to be a vasogenic edema (fluid penetration of the blood–brain barrier), although cytotoxic edema (cellular retention of fluids) may play a role as well. Individuals with the condition must immediately descend to a lower altitude or coma and death can ...
The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...
Fat deposits/swelling in legs and arms not in hands or feet; hands and feet may be affected as the disease progresses. Fat deposits / swelling widespread in legs/arms/torso: Fat deposits/swelling in one limb including hands and feet: Fat deposits widespread Swelling near ankles; brownish discoloration of lower legs (hemosiderin deposits).
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.
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]