2020年5月10日 · In adults with normal aortic valves, the valve area is approximately 3.0 to 4.0 cm 2. As aortic stenosis (AS) develops, minimal pressure gradient is present until the orifice area …

2022年5月10日 · In adults with normal aortic valves, the valve area is approximately 3.0 to 4.0 cm 2. As aortic stenosis (AS) develops, minimal pressure gradient is present until the orifice area …

2024年11月25日 · Aortic valve stenosis is the most common cause of left ventricular (LV) outflow obstruction in children and adults; less common causes are subvalvular or supravalvular …

Congenital, degenerative, and inflammatory lesions are readily recognized and their severity graded. In addition, it is standard practice for TTE to be the sole method of serial evaluation of …

Aortic valve replacement (AVR) by surgical aortic valve replacement (SAVR) or transcatheter aortic valve implantation (TAVI) is the only effective treatment for severe aortic stenosis (AS) . …

Aortic valve replacement (AVR, including surgical aortic valve replacement and transcatheter aortic valve implantation [TAVI]) is the mainstay of treatment of symptomatic aortic stenosis …

2023年2月23日 · Severe high gradient AS is generally identified by an aortic jet velocity over ≥4.0 m/s or mean transvalvular pressure gradient ≥40 mmHg, as well as the typical appearance of …

High gradient severe AS — The 2020 American Heart Association/American College of Cardiology valvular heart disease guidelines identify severe aortic stenosis (AS) by the …

To characterize the aortic valve using TEE, the valve should be imaged in short- and long-axis views with and without color flow Doppler. Short-axis view — The short axis of the aortic valve …

2022年4月18日 · Aortic valve sclerosis and pathogenesis of calcific aortic stenosis; Approach to the infant or child with a cardiac murmur; Auscultation of heart sounds; Cardiac tumors; …