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tricuspid regurgitation |
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regurgitation /re·gur·gi·ta·tion/ (re-ger″jĭ-ta´shun) 1. flow in the opposite direction from normal. 2. vomiting. aortic regurgitation (AR) backflow of blood from the aorta into the left ventricle due to insufficiency of the aortic semilunar valve. mitral regurgitation (MR) backflow of blood from the left ventricle into the left atrium due to insufficiency of the mitral valve. pulmonic regurgitation (PR) backflow of blood from the pulmonary artery into the right ventricle due to insufficiency of the pulmonic semilunar valve. tricuspid regurgitation (TR) the backflow of blood from the right ventricle into the right atrium due to insufficiency of the tricuspid valve. valvular regurgitation backflow of blood through the orifices of the heart valves due to imperfect closing of the valves. tricuspid regurgitation (TR) Etymology: Gk, treis, three; L, cuspis, point + re, gurgitare, again to flow back the backflow of blood from the right ventricle into the right atrium, resulting from imperfect functioning (insufficiency) of the tricuspid valve. tricuspid having three points or cusps, as a valve of the heart. tricuspid dysplasia a congenital defect of the tricuspid heart valve commonest in cats. There is a variety of forms of the defect which causes enlargement of the right atrium and ventricle. See also ebstein's anomaly. tricuspid insufficiency a functional incompetence that may be caused by rupture of the chordae tendineae of the tricuspid valve, bacterial endocarditis, heartworms, endocardiosis or congenital anomalies, resulting in regurgitation of blood from the right ventricle into the right atrium during systole. tricuspid regurgitation see tricuspid insufficiency (above). tricuspid valve the valve located between the right atrium and right ventricle. Called also right atrioventricular valve. tricuspid regurgitation Tricuspid insufficiency Cardiology Backflow of blood from the right ventricle to the right atrium during right ventricular contraction, due to damage to the tricuspid valve, right ventricular enlargement, rheumatic
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tricuspid tricuspid area tricuspid atresia tricuspid insufficiency tricuspid murmur tricuspid oriface tricuspid orifice tricuspid regurgitation tricuspid stenosis tricuspid valve Tricuspid Valve Insufficiency Tricuspid Valve Stenosis tricuspid-valve area tricyclic tricyclic antidepressant |
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