title: [Usefulness of Doppler echocardiography in the evaluation of the severity of aortic valve stenosis. Correlation with the gradients of cardiac catheterization].
mesh_terms: D000328:Adult; D000368:Aged; D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000503:physiopathology*; D001783:Blood Flow Velocity; D001794:Blood Pressure; D006328:Cardiac Catheterization; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Utilidad del eco-Doppler continuo en la valoración de la severidad de la estenosis valvular aórtica. Correlación con los gradientes de cateterismo cardiaco.