Tricuspid valve

Tricuspid valve

Infobox Anatomy
Name = Tricuspid valve
Latin = valva atrioventricularis dextra, valvula tricuspidalis
GraySubject = 138
GrayPage = 531


Caption = Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Tricuspid valve labeled at bottom left.)


Caption2 = Base of ventricles exposed by removal of the atria. (Tricuspid valve visible at bottom right.)
System =
Precursor =
MeshName = Tricuspid+Valve
MeshNumber = A07.541.510.893
DorlandsPre = v_02
DorlandsSuf = 12843894
The tricuspid valve (also known as the right atrioventricular valve) is on the right side of the heart, between the right atrium and the right ventricle. The normal tricuspid valve usually has three leaflets and three papillary muscles. They are connected to the papillary muscles by the chordae tendineae, which lie in the right ventricle. Tricuspid valves may also occur with two or four leaflets, and the number may change during life. [Richard Van Pragh: Cardiac anatomy in A. C. Chang et al.: Pediatric Cardiac Intensive Care, Philadelphia 1998.]

Pathology

Tricuspid regurgitation is not uncommon in the tricuspid valve. It is a common valve to be infected (endocarditis) in IV drug users.cite journal |author=Demin AA, Drobysheva VP, Vel'ter OIu |title= [Infectious endocarditis in intravenous drug abusers] |language=Russian |journal=Klinicheskaia meditsina |volume=78 |issue=8 |pages=47–51 |year=2000 |pmid=11019526] cite journal |author=Butany J, Dev V, Leong SW, Soor GS, Thangaroopan M, Borger MA |title=Infective endocarditis of the tricuspid valve |journal=Journal of cardiac surgery |volume=21 |issue=6 |pages=603–4 |year=2006 |pmid=17073968 |doi=10.1111/j.1540-8191.2006.00313.x] Although it is not a common site of endocarditis, patients with a small VSD usually develop endocarditis of the tricuspid valve.Fact|Tricuspid valve|date=March 2007

The tricuspid valve can be affected by rheumatic fever which can cause tricuspid stenosis or tricuspid insufficiency (also called tricuspid regurgitation). Some patients are born with congenital abnormalities of the tricuspid valve. Congenital apical displacement of the tricuspid valve is called Ebstein's anomaly and typically causes significant tricuspid regurgitation.

The first endovascular tricuspid valve implant was performed by physicians at the Cleveland Clinic. [ [http://www.universitycircle.org/content/healthcare.asp University Circle Inc ] ]

ee also

* Heart valve
* Bicuspid valve

References

External links

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Look at other dictionaries:

  • Tricuspid valve — Tricuspid Tri*cus pid, a. [L. tricuspis, idis; tri (see {Tri }) + cuspis a point: cf. F. tricuspide.] 1. Having three cusps, or points; tricuspidate; as, a tricuspid molar. [1913 Webster] 2. (Anat.) Of or pertaining to the tricuspid valves; as,… …   The Collaborative International Dictionary of English

  • Tricuspid valve — One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the heart. The tricuspid valve stands between the right atrium and right ventricle and allows blood to flow only from the atrium into the… …   Medical dictionary

  • tricuspid valve — noun 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 • Syn: ↑right atrioventricular valve • Hypernyms:… …   Useful english dictionary

  • tricuspid valve — tricus′pid valve n. anat. a valve of the heart, composed of three flaps, that keeps blood from flowing backward from the right ventricle into the right atrium Compare mitral valve Etymology: 1660–70 …   From formal English to slang

  • tricuspid valve — Anat. the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle. Cf. mitral valve. [1660 70] * * * …   Universalium

  • tricuspid valve — noun Date: 1670 a valve of three flaps that prevents reflux of blood from the right ventricle to the right atrium …   New Collegiate Dictionary

  • tricuspid valve — noun A heart valve with three cusps which prevents backflow of blood from the right ventricle into the right atrium …   Wiktionary

  • tricuspid valve — the valve in the heart between the right atrium and right ventricle. It consists of three cusps that channel the flow of blood from the atrium to the ventricle and prevent any backflow …   The new mediacal dictionary

  • Tricuspid valve stenosis — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 13353 ICD10 = ICD10|I|07|0|i|05, ICD10|I|36|0|i|30, ICD10|Q|22|4|q|20 ICD9 = ICD9|397.0, ICD9|746.9 ICDO = OMIM = MedlinePlus = eMedicineSubj = med eMedicineTopic = 2315 MeshID = D014264… …   Wikipedia

  • Клапан Трехстворчатый (Tricuspid Valve) — клапан сердца, расположенный в правом предсердно желудочковом отверстии. Он состоит из трех створок, которые пропускают кровь из предсердия в желудочек, но препятствует ее обратному току. Источник: Медицинский словарь …   Медицинские термины


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