二尖瓣环位移
Mitral annular displacement
二尖瓣瓣口面积
Mitral valve orifice area
二尖瓣瓣口血流速度
mitral transmitral flow velocities
二尖瓣环收缩期峰值速度Sa
mitral annulus motion velocity Sa
二尖瓣环舒缩力
Diastolic and systolic force of mitral valve annulus
软质人工二尖瓣环
flexible prosthetic mitral ring