[A new method for evaluation of the degree of stenosis using a catheter-tip velocity/pressure transducer (author's transl)].
D001783:Blood Flow Velocity; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D005260:Female; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011666:Pulmonary Valve Stenosis / Q000175:diagnosis