title: Preoperative evaluation of the aortic orifice at left ventricular puncture.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000503:physiopathology* / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000503:physiopathology* / Q000601:surgery; D001795:Blood Pressure Determination; D006328:Cardiac Catheterization; D002986:Clinical Trials as Topic; D006352:Heart Ventricles; D006801:Humans; D011677:Punctures