Direct left ventricular puncture in the evaluation of aortic and mitral stenosis.
D001011:Aorta; D001021:Aortic Valve; D001024:Aortic Valve Stenosis; D003251:Constriction, Pathologic; D006352:Heart Ventricles; D006801:Humans; D008946:Mitral Valve Stenosis / Q000502:physiology*; D011677:Punctures
AORTIC VALVE/stenosis; MITRAL STENOSIS/physiology