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48 results about "Valvular regurgitation" patented technology

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Valvular regurgitation. a backflow of blood that occurs when the heart contracts but a heart valve fails to close properly. val·vu·lar re·gur·gi·ta·tion. 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.