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Edema (American English), or oedema (British English), formerly known as dropsy or hydropsy, is the increase of interstitial fluid in any organ  swelling. Generally, the amount of interstitial fluid is determined by the balance of fluid homeostasis, and increased secretion of fluid into the interstitium or impaired removal of this fluid may cause edema.

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Wikipedia About Edema

Edema (American English), or oedema (British English), formerly known as dropsy or hydropsy, is the increase of interstitial fluid in any organ  swelling. Generally, the amount of interstitial fluid is determined by the balance of fluid homeostasis, and increased secretion of fluid into the interstitium or impaired removal of this fluid may cause edema.

Edema has five pathophysiologic causes. It can be due to increased hydrostatic pressure, reduced oncotic pressure, lymphatic obstruction, sodium retention, or inflammation.

Mechanism

Generation of interstitial fluid is regulated by the Starling equation of tissue fluid which states that it depends on the balance of osmotic pressure and of hydrostatic pressure which act in opposite directions across the semipermeable capillary walls. Consequently, anything that increases oncotic pressure outside blood vessels (for example, inflammation), or reduces oncotic pressure in the blood (states of low plasma osmolality, for example, cirrhosis) will cause edema. Increased hydrostatic pressure inside the blood vessel (for example, in heart failure) will have the same effect. If the permeability of the capillary walls increases, more fluid will tend to escape out of the capillary, which can happen when there is inflammation.

Abnormal removal of interstitial fluid is caused by obstruction of the lymphatic system. This may be due to, for example, pressure from a cancer or enlarged lymph nodes, destruction of lymph vessels by radiotherapy, or infiltration of the lymphatics by infection (such as elephantiasis).

There are two types: exudate and transudate.

Organ-specific edema

Examples of edema in specific organs:

  • Ascites is effectively edema within the peritoneal cavity
  • Pleural effusions are effectively edema in the pleural cavity
  • Cerebral edema is intracellular or extracellular fluid accumulation in the brain
  • Edema may also be found in the eyes after corrective surgery or procedures of that nature.

Causes of edema which are generalized to the whole body can cause edema in multiple organs and peripherally. For example, severe heart failure can cause peripheral edema, pulmonary edema, pleural effusions and ascites.

Common and usually harmless appearances of cutaneous edema are observed with mosquito bites, bee stings (wheal and flare), and skin contact with certain plants (contact dermatitis).

Edema in plants

Edema in plants is the extended swelling in plant organs caused primarily by an excessive accumulation of water. This occurs since the cell walls are composed of flexible cellulose.

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Edema

In edema, either too much fluid moves from the blood vessels into the tissues, ... Foods that worsen edema, such as alcohol, caffeine, sugar, ... Pitting edema ...www.healthatoz.com/healthatoz/Atoz/common/standard/transform...

Edema

Edema can occur nearly anywhere in the body. ... Mechanism and treatment of edema in nephrotic syndrome. Mechanism of action of diuretics ...www.uptodate.com/patients/content/topic.do?topicKey=kidn_dis...

InteliHealth:

InteliHealth - Featuring Harvard Medical School's consumer health information. ... Pregnancy can cause edema in the legs as the uterus puts pressure on the vena ...www.intelihealth.com/IH/ihtIH/WSIHW000/9339/9883.html

Edema - MayoClinic.com

Edema — Comprehensive overview covers symptoms, causes, treatment and self-care of tissue swelling. ... Edema is swelling caused by excess fluid trapped in ...www.mayoclinic.com/health/edema/DS01035

Edema Information on Healthline

Definition Edema is the medical term for swelling. ... Edema that is visible and localized often accompanies a soft-tissue injury, a ...www.healthline.com/galecontent/edema-2

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News about Edema

Alimera Reports Results From The Six-Month Interim Readout Of The Human PK Iluvien(TM) Study

Medical News TodayAlimera Sciences, Inc., a privately held biopharmaceutical company that specializes in the research, development and commercialization of prescription ophthalmic pharmaceuticals, reported the interim month six safety and efficacy results from the first human pharmacokinetic (PK) study of Iluvien(TM).http://www.medicalnewstoday.com/articles/123808.php

The quest to conquer that tangled summit deep inside The Shed

Blue Mountains GazetteSOME men clear their sheds for the challenge, because they want to pit their wits against the force of nature that is The Shed. Others do it, as the Everest mountaineer George Mallory once said, "because the shed is there". And still others clear their sheds because their wives tell them to.http://bluemountains.yourguide.com.au/news/national/national...

OPKO Acquires Worldwide Ophthalmic Rights to Teva's Budesonide for Inflammatory and Allergic Ocular Conditions

Business Wire via Yahoo! Finance MIAMI----OPKO Health, Inc. today announced that it has acquired exclusive worldwide rights from Teva Pharmaceuticals Industries Ltd. to Teva's proprietary formulation of budesonide for the treatment of various inflammatory and allergic conditions of the eye.http://biz.yahoo.com/bw/081002/20081002006030.html?.v=1

Uganda: Sleeping Sickness - An Illness That Has Hit Gulu District

AllAfrica.comMs Mary Achan may never regain her mental ability after suffering what she called a strange disease that was later diagnosed as sleeping sickness. She is extremely forgetful. She can forget within minutes what she's been talking about. Only her relatives are able to tell her story.http://allafrica.com/stories/200810020153.html

€15 million fund raising complete: Novagali Pharma

PharmaBizNovagali Pharma, a French Laboratory specialized in ophthalmology announced that it has secured €15 million in a new financing round with the participation of the historical company investors.http://www.pharmabiz.com/article/detnews.asp?articleid=46361

News about Edema

Certified lymph drainage therapy offered here

Gaylord Herald TimesDort reported that after surgery, it can take up to 20 years for edema (swelling) to become noticeable. The massage helps reduce the chance of edema setting in. However, she stated, edema also can occur shortly after surgery and after lymph node ... http://www.gaylordheraldtimes.com/articles/2008/10/07/human_...

Tomas Rosicky expected to miss out until 2009

SoccerwayHe had been on the road to recovery after last having played for Arsenal in January of this year. It was revealed at the hospital that he has been diagnosed with bone-marrow edema. It is extremely unlikely that he will ready before the end of the yearhttp://www.soccerway.com/news/2008/October/11/tomas-rosicky-...

Video: Sirion Therapeutics Launches Durezol for Postoperative Ocular ...

EarthtimesOcular adverse reactions occurring in 5-15% of subjects in clinical studies with Durezol included corneal edema, ciliary and conjunctival hyperemia, eye pain, photophobia, posterior capsule opacification, anterior chamber cells, anterior chamber ... http://www.earthtimes.org/articles/show/video-sirion-therape...

Dynamint Blue Udder Cream

Prairie StarUsed daily on the udders of dairy cows, Dynamint helps prevent udder edema, mastitis and infections. Many dairymen report massaging with Dynamint to be as good as an oxytocin injection for milk let-down. Others report fewer and milder cases of ... http://www.theprairiestar.com/articles/2008/10/10/new_produc...

Study Determines Causes Of Lower Back Pain

Post ChronicleResearchers from Baskent University Hospital and the Alanya Research Center, both in Antalya, Turkey, show facet joint effusion (the collection of fluid in the spinal joints) and interspinal ligament edema (swelling of the interspinal ligaments) are ... http://www.postchronicle.com/news/science/article_212177238....

Search results for Edema

Edema - definition of Edema in the Medical dictionary - by the Free ...

Edema Definition. Edema is a condition of abnormally large fluid volume in the circulatory system or in tissues between the body's cells (interstitial spaces).http://medical-dictionary.thefreedictionary.com/edema

edema [Lymphedema People]

Not all swelling is lymphedema, some is edema caused by an underlying medical condition. This section includes articles that will help explain the difference.http://www.lymphedemapeople.com/wiki/doku.php?id=edema

Edema -- familydoctor.org

Information on edema from the American Academy of Family Physicians. ... Edema (say: eh-dee-mah) is swelling or puffiness of parts of the body. It is caused by water that gets ... http://familydoctor.org/online/famdocen/home/articles/840.ht...

Edema

Answers to your questions about edema and more! Information you can trust: patient guides, the latest news, tips, tools, animations and newsletters.http://yourtotalhealth.ivillage.com/edema.html

"edema"- FREE "edema" Information | Encyclopedia.com: Facts, Pictures ...

edema" b Facts about "edema", Pictures, Video and "edema" Information at Encyclopedia.com: a free, credible collection of encyclopedias.http://www.encyclopedia.com/searchpool.asp?target=%22edema%2...
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Knee pain and Edema by Dr Farshchia...

Knee pain and Edema by Dr FarshchianKnee pain and Edema as discussed by Dr Alimorad FarshchianVideo - Video

Avandia and Diabetic Macular Edema

Avandia and Diabetic Macular EdemaGlaxo SmithKline has notified health professionals about reports of diabetic macular edema in patients receiving Avandia (rosiglitazone maleate) which is used to treat type 2...Flash - Video

Knee pain and Edema by Dr Farshchia...

Knee pain and Edema by Dr Farshchianhttp://www.ArthritisUSA.net , Dr Alimorad Farshchian and The Center for Regenerative Medicine in Miami Beach, Florida concentrate on helping arthritic and injured people to get...MPEG 4 - Video

edema

edemaKnee pain and Edema as discussed by Dr Alimorad Farshchian MDFlash - Video

Dr Farshchian s Regenerative Medici...

Dr Farshchian s Regenerative Medicine and Edema of KneesDr Farshchian s Regenerative Medicine and Edema of KneesFlash - Video

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Colon - Metastatic Ovarian Cancer t...

Colon - Metastatic Ovarian Cancer to the ColonThis 67 year old lady has advanced ovarian cancer. Colonoscopy demonstrates this flat ulcerated lesion which appears malignant but has several features that suggest that it is not of colonic mucosa in...realmedia: 3.0 MB w:480px - h:320px

detection_diab.ram

detection_diab.ramrealmedia: 0 MB w:320px - h:212px

edema.mov

edema.movedema.movquicktime: 0.1 MB w:160px - h:120px

edema.swf

edema.swfneurotic.swf 28-Jun-2002 08:30 6k neural.swf 27-Jun-2002 14:32 6k edema.swf 25-Jun-2002 14:10 6k dormant.swf 25-Jun-2002 13:26 6kflash: 0.0 MB w:25px - h:25px

mgr040218t.rm

mgr040218t.rmClinical-Pathological Conference Hypertension and Edema in a 69 Y/O Woman after a Bite Leslie Boyer , MDrealmedia: 0 MB w:320px - h:240px

Answers for Edema

iboughtanightmareDoes anyone know what I can do about pitted edema in my legs?iboughtanightmareDont self diagnose!!! The only thing that that will accomplish is scaring yourself!!! Go to a free clinic by your house and have it diagnosed there.... hopefully they can give you some tips on how to ...samalettaWhat are the clinical findings of a person that has pulmonary edema?samalettaShortness of breath. , Drop in 02 sats. Some patients become disoriented from the lack of oxygen,, combative if you can believe it. Your would hear rales (crackles) in ALL lung fields. A gurgling s...nspiredmindHow do I keep the edema in my legs, ankles and feet under control?nspiredmindWell, if u have a heart-problem then a very radical measure to control ur edema could actually damage ur heart further, since whenever the edema fluid disappears, it enters the veins & then enters the...oneakmusicWhat is subcortical bone marrow edema in the foot? What is the cause? What is the solution?oneakmusicI have much onfo on this topic...may I email the things I have, too much to list here, I didn't want to just do that without your permission first!Rod EIs there anything else I can do for my Edema?Rod EWhat I use when my knees swell. I wrap it and drink green tea. And stay away from sugar or soda.
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