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Topic: Vein

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In the News (Sun 21 Apr 19)

  Deep Vein Thrombosis (DVT): Venous Disorders: Merck Manual Home Edition
For example, deep vein thrombosis may develop in people who have had a heart attack and lie in hospital beds for several days without sufficiently moving their legs or in people whose legs and lower body are paralyzed (paraplegics).
When deep vein thrombosis blocks blood flow in a large leg vein, the calf swells and may be painful, tender to the touch, and warm.
Sometimes, a filter (umbrella) is placed inside a large vein between the heart and the area affected by deep vein thrombosis, usually the inferior vena cava, which returns blood to the heart from the lower part of the body.
www.merck.com /mmhe/sec03/ch036/ch036b.html   (2103 words)

 [No title]   (Site not responding. Last check: )
In biology, a vein is a blood vessel which carries blood to the heart.
Differently, in the pulmonary circulation oxygenated blood from the lungs is taken to the left part of the heart by pulmonary veins.
Veins are used medically as access to the blood stream, permitting the withdrawal of blood specimens (venipuncture) for testing purposes, and enabling the infusion of fluid, electrolytes, nutrition, and medications.
www.wikiwhat.com /encyclopedia/v/ve/vein.html   (187 words)

 Deep Vein Thrombosis: Encyclopedia of Medicine
Deep vein thrombosis (DVT) is a blood clot in a major vein, usually in the legs and/or pelvis.
Deep vein thrombosis is a major complication in patients who have had orthopedic surgery or pelvic, abdominal, or thoracic surgery.
Deep vein thrombosis is caused by blood clots in blood vessels that form in veins where blood flow is sluggish or has been disturbed, in pockets in the calf's deep veins, or in veins that have been traumatized.
health.enotes.com /medicine-encyclopedia/deep-vein-thrombosis   (907 words)

 HighBeam Encyclopedia - varicose vein   (Site not responding. Last check: )
Varicose veins develop spontaneously, and are usually attributed to a hereditary weakness of the vein; the valves in the vein that keep the blood circulating upward toward the heart are usually incompetent.
Varicose veins may now also be treated without removing them through an endoscopic surgical procedure that uses the heat produced by radio waves or a laser to seal off the veins.
Varicose veins that occur around the rectum are called hemorrhoids, and those that form in the scrotum are called varicoceles.
encyclopedia.infonautics.com /html/v/varicose.asp   (395 words)

 WSBTV.com - Health Encyclopedia - Growth Hormone
Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand.
A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe.
Veins and arteries vary in size from one patient to another and from one side of the body to the other.
www.wsbtv.com /encyclopedia/6864773/detail.html   (620 words)

 Varicose Veins & Spider Veins - Vein Treatment Specialist, Doctor
Similar to varicose veins, spider veins are smaller and closer to the surface of the skin.
Varicose veins are veins that may appear purple or blue, twisted and bulging close to the surface of the skin.
The most common area for varicose veins to appear are the backs of the calves or on the inside of the legs, but they can form anywhere on the legs, from the groin to the ankle.
www.veindirectory.org   (672 words)

 Deep Vein Thrombosis and Pulmonary Embolism (blood clots) on MedicineNet.com
A vein is a blood vessel that returns blood from the tissues of the body back to the heart.
Superficial thrombophlebitis occurs in veins close to the skin surface, and usually causes pain, swelling, and redness in the area of the vein.
The reason for this is that a piece of the clot in deep vein from a DVT can break off and travel through the deep veins back to the heart, and eventually be pumped by the heart into the arteries of the lung.
www.medicinenet.com /deep_vein_thrombosis/article.htm   (860 words)

 MedlinePlus Medical Encyclopedia: Varicose vein therapy
Varicose vein therapy is used to treat enlarged veins (varicose veins) that have problems with their valves.
This causes the veins to remain filled with blood, especially when you are standing.
A thin catheter (or tube) is inserted into the vein through a tiny skin incision under local anesthesia.
www.nlm.nih.gov /medlineplus/ency/article/002952.htm   (610 words)

 NBC5.com - Health Encyclopedia - Changes In The Newborn At Birth
Umbilical vein -- The vessel leading from the umbilical cord to the liver.
The cleansed and oxygenated blood flows through the large umbilical vein through the liver and the ductus venosus to the inferior vena cava and finally into the heart.
A small amount is pumped to the lungs, but a majority flows through the foramen ovale and the ductus arteriosus into the aorta where the blood is then distributed throughout the body.
www.nbc5.com /encyclopedia/6863172/detail.html   (910 words)

 eMedicine - Ovarian Vein Thrombosis : Article by Melanie R Chellman-Jeffers
Both ovarian vein thrombosis and septic pelvic thrombophlebitis are influenced by the Virchow triad of vessel wall injury, stasis, and hypercoagulability.
Ovarian vein thrombosis occurs in 0.02-0.18% of pregnancies and is diagnosed on the right side in 80-90% of the affected postpartum patients.
Failure of the clinician to consider ovarian vein thrombosis in the appropriate clinical setting delays investigation of this condition, resulting in an unnecessary delay in diagnosis, as well as the possibility of morbidity and mortality that are related both to the thrombosis and to any associated infection/sepsis.
www.emedicine.com /radio/topic510.htm   (1641 words)

 Deep vein thrombosis - DVT blood clot symptoms and treatment
DVT is a condition where a blood clot forms in a deep vein, usually in the leg.
Deep veins pass through the centre of the leg and are surrounded by a layer of muscle (see illustration).
Blood clots that form in the superficial veins, which lie just under the skin, are known as superficial phlebitis.
hcd2.bupa.co.uk /fact_sheets/mosby_factsheets/Deep_Vein_Thrombosis.html   (1551 words)

 Vein definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Vein: A blood vessel that carries blood low in oxygen content from the body back to the heart.
Veins are part of the afferent wing of the circulatory system which returns blood to the heart.
By contrast, an artery is a vessel that carries blood high in oxygen away from the heart to the body.
www.medterms.com /script/main/art.asp?articlekey=5970   (247 words)

 Deep Vein Thrombosis: What You Should Know -- familydoctor.org
Deep vein thrombosis (also called DVT) is a blood clot in a vein deep inside your body.
These may include an ultrasound (uses sound waves to check the blood flow in your veins) or venography (a doctor injects dye into your vein, then takes an x-ray to look for blood clots).
Warfarin is taken as a pill, and heparin is given intravenously (in your veins).
www.familydoctor.org /800.xml   (697 words)

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