valve dysplasia

valve dysplasia

Cardiology A congenital defect in which the heart's semilunar valves–pulmonary, aortic–are myomatous, thickened, immobile;2/3 of Pts with Noonan syndrome have pulmonary stenosis due to VD. See Noonan syndrome, Pulmonary stenosis.
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TRICUSPID Valve Dysplasia (TVD) is a heart disease affecting the valves of the heart, which means the heart cannot work at maximum efficiency.