释义 |
DictionarySeemitral regurgitationEncyclopediaSeeRegurgitationvalvular regurgitation
regurgitation [re-ger″jĭ-ta´shun] 1. a backward flowing; see also backflow and reflux.2. vomiting.aortic regurgitation backflow of blood from the aorta into the left ventricle, owing to insufficiency of the valve" >aortic valve; it may be chronic or acute.mitral regurgitation backflow of blood from the left ventricle into the left atrium, owing to insufficiency of the valve" >mitral valve; it may be acute or chronic, and is usually due to mitral valve prolapse, rheumatic heart disease, or a complication of cardiac dilatation.pulmonic regurgitation backflow of blood from the pulmonary artery into the right ventricle, owing to insufficiency of the valve" >pulmonic valve.tricuspid regurgitation backflow of blood from the right ventricle into the right atrium, owing to imperfect functioning (insufficiency) of the valve" >tricuspid valve.valvular regurgitation backflow of blood through the orifice of one of the heart valves owing to imperfect closing of the valve (insufficiency" >valvular insufficiency); see aortic, mitral, pulmonic, and tricuspid regurgitation.val·vu·lar re·gur·gi·ta·tiona leaky state of one or more of the cardiac valves, in which the valve not closing tightly and blood is therefore regurgitating through it. Synonym(s): valvular incompetence, valvular insufficiencyval·vu·lar re·gur·gi·ta·tion (val'vyū-lăr rĕ-gŭr'ji-tā'shŭn) A leaky state of one or more of the cardiac valves, in which the valve does not close tightly and blood therefore regurgitates through it. Synonym(s): valvular insufficiency. ThesaurusSeeregurgitation |