pulmonic 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.

pul·mon·ic re·gur·gi·ta·tion

incompetence of the pulmonic valve permitting retrograde flow.

pulmonic regurgitation

A backflow of blood from the pulmonary artery into the right ventricle.See also: regurgitation