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Topic: Mitral valve

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mitral valve

Mitral valve prolapse

Mitral regurgitation

mitral cells

Mitral stenosis

Mitral valve replacement

mitral regurtitation

mitral annulus

Mitral valve prolapse, familial, X linked

Congenital mitral stenosis

Mitral atresia

Congenital mitral malformation

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	Info and facts on 'Mitral valve' (Site not responding. Last check: 2007-11-07)
		The mitral valve and the tricuspid valve (Valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts) are known as the atrioventricular valves, because they lie between the atria and the ventricles of the heart.
		This early filling across the mitral valve is seen on doppler echocardiography (A noninvasive diagnostic procedure that uses ultrasound to study to structure and motions of the heart) of the mitral valve as the E wave.
		Mitral stenosis (Obstruction or narrowing of the mitral valve (as by scarring from rheumatic fever))
	www.absoluteastronomy.com /encyclopedia/m/mi/mitral_valve.htm (431 words)

	Mitral valve prolapse - Wikipedia, the free encyclopedia
		Mitral valve prolapse (MVP) is a heart valve condition marked by the displacement of an abnormally thickened mitral valve leaflet into the left atrium during systole.
		The mitral valve, so named because of its resemblance to a bishop's miter, is the heart valve that prevents the backflow of blood from the left ventricle into the left atrium.
		Most cases of mitral valve prolapse are associated with mild mitral regurgitation, where blood aberrantly flows from the left ventricle into the left atrium during systole.
	en.wikipedia.org /wiki/Mitral_valve_prolapse (1316 words)

	Conscious Choice: Mitral Valve Prolapse
		Mitral valve prolapse is a fairly common medical problem that is the focus of some controversy and even confusion among both physicians and those who suffer from it.
		Mitral valve prolapse is thought to affect five percent of the population, or nearly seven million people, though the number of borderline cases may be much higher.
		Mitral valve is one of the valves of the heart, whose function is to keep the blood flowing in one direction through the left side of the heart, and to prevent backflow of blood when the heart contracts.
	www.consciouschoice.com /1995-98/cc093/hmd093.html (2555 words)

	MITRAL VALVE REPAIR (text)
		Congenital mitral regurgitation may be due to a cleft mitral valve (a valve with a separation or cleft down the middle) associated with an atrial septal defect, a type of hole in the heart between the low pressure chambers or atria.
		Degenerative mitral valve disease may be due to an elongation or rupture of the chordal apparatus, the "heart-strings" that support the valve normally, or due to a more generalized weakness of the valve itself such as the "floppy valve" syndrome in which all of the components of the valve are enlarged and elongated.
		Mitral valves that are regurgitant due to rheumatic fever are often both stenotic and regurgitant, and are often beyond repair.
	www.sts.org /doc/4107 (1069 words)

	Mitral valve stenosis
		Mitral valve stenosis — or mitral stenosis — is a condition in which the heart's mitral valve is narrowed.
		Mitral valve stenosis is narrowing of the mitral valve.
		Mitral valve prolapse is a disorder in which the mitral valve sags instead of closing tightly.
	www.cnn.com /HEALTH/library/DS/00420.html (3687 words)

	Gale Encyclopedia of Medicine: Mitral valve stenosis (Site not responding. Last check: 2007-11-07)
		Mitral valve stenosis refers to a condition in the heart in which one of the valve openings has become narrow and restricts the flow of blood from the upper left chamber (left atrium) to the lower left chamber (left ventricle).
		In the heart, the valve that regulates the flow of blood between the left atrium and the left ventricle is called the mitral valve.
		If the mitral valve is abnormally narrow, due to disease or birth defect, blood flow from the atrium to the ventricle is restricted.
	www.findarticles.com /p/articles/mi_g2601/is_0009/ai_2601000903 (722 words)

	Mitral Valve Prolapse - Heart Disease and other cardiovascular conditions on MedicineNet.com
		Mitral valve prolapse (also known as "click murmur syndrome" and "Barlow's syndrome") is the most common heart valve abnormality, affecting five to ten percent of the world population.
		A normal mitral valve consists of two thin leaflets, located between the left atrium and the left ventricle of the heart.
		Mitral valve leaflets, shaped like parachutes, are attached to the inner wall of the left ventricle by a series of strings called "chordae." When the ventricles contract, the mitral valve leaflets close snugly, preventing backflow of blood from the left ventricle into the left atrium.
	www.medicinenet.com /mitral_valve_prolapse/article.htm (478 words)

	Mitral Valve Prolapse - Texas Heart Institute Heart Information Center (Site not responding. Last check: 2007-11-07)
		Mitral valve prolapse (MVP) is among the most common heart conditions, but it remains something of a puzzle.
		Mitral regurgitation can lead to the thickening or enlargement of the heart wall, caused by the extra pumping the heart must do to make up for the backflow of blood.
		Mitral regurgitation can usually be treated with medicines, but some people need surgery to repair or replace the defective valve.
	www.tmc.edu /thi/mvp.html (507 words)

	Valve prolapse - Mitral Valve Prolapse (Site not responding. Last check: 2007-11-07)
		Mitral valve prolapse is an abnormality of the mitral valve(1) that is usually Mitral valve prolapse is diagnosed when there is a backward bowing of the
		Mitral valve prolapse is a disorder in which the heart's mitral valve -- which separates the left upper chamber (atrium) from the left lower chamber
		Navarro said mitral valve prolapse was confirmed in 76 percent of the women.
	valve-prolapse.siteslinks.com (227 words)

	MITRAL VALVE REPLACEMENT (text)
		Mitral valve problems are rarely caused by a birth defect, otherwise known as a congenital condition.
		Occasionally the mitral valve is damaged by infection or bacterial endocarditis.
		In many cases, however, the valve is too damaged to permit repair and the valve must be replaced with a prosthetic (artificial) valve.
	www.sts.org /doc/4101 (994 words)

	Understanding Mitral Valve Prolapse Syndrome Page
		Mitral valve prolapse is believed to be inherited, with a greater expression of the MVP gene in females.
		One example of secondary mitral valve prolapse is prolapse caused by endocarditis--a bacterial infection of the valve.
		Primary anatomic mitral valve prolapse is frequently associated with a constellation of symptoms.
	www.nursing.wright.edu /practice/mvp (2021 words)

	Mitral valve regurgitation - MayoClinic.com
		Mitral valve regurgitation — or mitral regurgitation — is a condition in which the mitral valve doesn't close tightly, which allows blood to flow backward in your heart.
		When the mitral valve doesn't function properly, blood can't move through your heart or to the rest of your body as efficiently.
		Treatment of mitral valve regurgitation depends on the severity and progression of your condition and signs and symptoms.
	www.mayoclinic.com /health/mitral-valve-regurgitation/DS00421 (236 words)

	University of Maryland
		The mitral valve, shaped like a liturgical headdress worn by bishops and abbots called a miter, is the “inflow valve” for the left ventricle, the heart’s main pumping chamber.
		Mitral valve surgery was first performed in 1960, when surgeons replaced the diseased, native valve with an artificial valve.
		For the next 20 years, valve replacement was the gold standard, using either a metal, mechanical valve or a valve made from cow tissue.
	www.or-live.com /umm/1151 (1173 words)

	The Physician and Sportsmedicine: Mitral Valve Prolapse
		MVP is, by definition, abnormal systolic displacement of the mitral valve leaflets superiorly and posteriorly from the left ventricle into the left atrium (3).
		The echocardiographic diagnosis is made when one or both mitral valve leaflets protrudes or billows into the left atrium in the apical long-axis view (3).
		Boudoulas H, Kolibash AJ Jr, Baker P, et al: Mitral valve prolapse and the mitral valve prolapse syndrome: a diagnostic classification and pathogenesis of symptoms.
	www.physsportsmed.com /issues/1996/07_96/joy.htm (2769 words)

	What is Mitral Valve Prolapse?
		Located between the upper left chamber and lower left chamber of the heart, the mitral valve is made of two flaps of tissue that normally open and close in a rhythmic way to allow blood to flow in one direction--from the atrium (upper chamber) to the ventricle (lower champer).
		When the mitral valve doesn't open and close properly, the flaps may "billow" backward slightly into the upper chamber during the heart's contraction (fig.
		Mitral valve prolapse is the most common cardiac problem and may affect five to twenty percent of the population.
	www.mvprolapse.com /mvp.html (280 words)

	MedlinePlus Medical Encyclopedia: Mitral valve prolapse
		Barlow's syndrome; Floppy mitral valve; Myxomatous mitral valve; Billowing mitral valve; Systolic click-murmur syndrome; Prolapsing mitral leaflet syndrome
		Mitral valve prolapse is a disorder in which the heart's mitral valve -- which separates the left upper chamber (atrium) from the left lower chamber (ventricle) -- billows out and does not close properly.
		Mitral valve prolapse has been associated with Marfan's syndrome (a disorder present from birth), Graves' disease, and other disorders.
	www.nlm.nih.gov /medlineplus/ency/article/000180.htm (836 words)

	HeartPoint: Mitral Valve Prolapse
		The "mitral valve" is a structure in the heart which is between the upper chamber on the left side of the heart (the "left atrium") and the lower chamber on the left (the "left ventricle").
		The mitral valve opens when the lower chamber is "resting", allowing blood to flow in, and then closes as the left ventricle contracts, preventing blood from going backwards.
		Mitral valve prolapse (MVP) is a common condition, occurring in up to 20% of the population.
	www.heartpoint.com /mitralvalveprolapse.html (337 words)

	Mitral Valve Prolapse: Can Diet Changes Help?
		Mitral valve prolapse is a common condition occurring in approximately 4 - 18% of the population.
		Some researchers think mitral valve prolapse syndrome is a mild form of a connective tissue disorder, similar to Marfan syndrome.
		It would explain why mitral valve prolapse is commonly, but not always, linked to magnesium deficiencies, why MVP occurs as a result of rheumatic fever and why people with disorders like Down syndrome, Marfan syndrome and/or fibromyalgia often have both mitral valve prolapse and hyaluronic acid abnormalities, too.
	www.ctds.info /mvp1.html (2483 words)

	Mitral Valve Prolapse: What You Should Know -- familydoctor.org (Site not responding. Last check: 2007-11-07)
		The mitral valve controls the flow of blood between 2 chambers (or "rooms") of your heart, called the left atrium and the left ventricle.
		When the heart relaxes in between beats, the 2 flaps of the mitral valve swing open to let blood flow from the atrium to the ventricle.
		If your valve is too leaky or if you are having lots of symptoms you may need surgery to fix the valve.
	familydoctor.org /598.xml (502 words)

	Mitral Valve and Mitral Valve Prolapse
		The mitral (MI'tral) valve is between the heart's left atrium (upper, holding chamber) and left ventricle (lower, pumping chamber).
		In MVP, one or both valve flaps are enlarged, and some of their supporting "strings" may be too long.
		Mitral valve prolapse is also known as click-murmur syndrome, Barlow's syndrome, balloon mitral valve and floppy valve syndrome.
	www.americanheart.org /presenter.jhtml?identifier=4717 (221 words)

	Heart Info - Mitral Valve Prolapse: A Patient Guide
		The most common heart valve abnormality is called Mitral Valve Prolapse (MVP), which affects between 5 percent and 20 percent of the population.
		MVP is a condition of the mitral valve, a two-flapped heart valve between the left atrium and left ventricle.
		Because of this imperfect closing, the valve itself slightly balloons back into the left atrium, sometimes causing what is known as a "click." With the flap there may sometimes be a slight backward leaking of blood (regurgitation) as well, resulting in a heart murmur.
	www.heartinfo.org /ms/guides/20/main.html (928 words)

	Heart Valve Ring Reverses Damage From Congestive Heart Failure, Easing Symptoms (Site not responding. Last check: 2007-11-07)
		All 25 patients had mitral valve regurgitation (leakage) as a result of distorted left ventricles, and were experiencing severe symptoms, before having surgery to install the ring.
		Bolling notes that many surgeons are now repairing the mitral valves of heart failure patients, to help reduce the regurgitation of blood back into the lungs.
		That study was the first to show in a multi-center trial that mitral valve surgery can be performed safely even in patients with advanced heart failure, and that it results in very low rates of death up to two years after surgery.
	www.sciencedaily.com /releases/2005/04/050415114017.htm (1184 words)

	Magnesium
		These studies tell us that anxiety disorders occur in many people who simply have mitral valve prolapse and/or joint hypermobility, meaning anxiety disorders are not specific to EDS or any particular connective tissue disorder.
		Marfans also have mitral valve prolapse and joint hypermobility which would lead one to conjecture that they, too, have anxiety related disorders.
		Asthma is a common finding in connective tissue disorders, as are keratoconus, mitral valve prolapse, rachitic skeletal defects and many other conditions associated with magnesium deficiency.
	www.ctds.info /5_13_magnesium.html (1644 words)

	eMedicine - Mitral Valve Prolapse : Article by Poothirikovil Venugopalan, MBBS, MD, FRCP (Glasg.), FRCPCH (Site not responding. Last check: 2007-11-07)
		Myxomatous proliferation of the mitral valve, in which the middle spongiosa layer is involved predominantly, leads to the presence of unusually large amounts of myxomatous material and acid mucopolysaccharide.
		Timing and degree of the prolapse are determined by the position of the mitral leaflets at end diastole, which in turn is dependent on the distance from the mitral valve annulus to the attachment of the chordae to papillary muscles.
		Cheng TO, Wang XF, Zheng LH: Three-dimensional transesophageal echocardiography in the diagnosis of mitral valve prolapse.
	www.emedicine.com /ped/topic1465.htm (7524 words)

	Heart Valves
		The pulmonary or pulmonic valve is between the right ventricle and the pulmonary artery.
		The mitral valve is between the left atrium and left ventricle.
		The aortic valve is between the left ventricle and the aorta.
	www.americanheart.org /presenter.jhtml?identifier=4598 (372 words)

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