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| Tricuspid valve | |
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| Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Tricuspid valve labeled at bottom left.) | |
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| Base of ventricles exposed by removal of the atria. (Tricuspid valve visible at bottom right.) | |
| Latin | valva atrioventricularis dextra, valvula tricuspidalis |
| Gray's | subject #138 531 |
| MeSH | Tricuspid+Valve |
| Dorlands/Elsevier | v_02/12843894 |
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.[1]
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Pathology
Tricuspid regurgitation is not uncommon in the tricuspid valve. It is a common valve to be infected (endocarditis) in IV drug users.[2][3] Although it is not a common site of endocarditis, patients with a small VSD usually develop endocarditis of the tricuspid valve.citation needed
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. [4]
See also
References
- ^ Richard Van Pragh: Cardiac anatomy in A. C. Chang et al.: Pediatric Cardiac Intensive Care, Philadelphia 1998.
- ^ Demin AA, Drobysheva VP, Vel'ter OIu (2000). "[Infectious endocarditis in intravenous drug abusers]" (in Russian). Klinicheskaia meditsina 78 (8): 47–51. PMID 11019526.
- ^ Butany J, Dev V, Leong SW, Soor GS, Thangaroopan M, Borger MA (2006). "Infective endocarditis of the tricuspid valve". Journal of cardiac surgery 21 (6): 603–4. doi:. PMID 17073968.
- ^ University Circle Inc
External links
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