二维超声心动图 parasternal aortic root short axis view 0 中才▣
二维超声心动图 parasternal aortic root short axis view 前 右 左 RV 后 RVOT RV MPA
二维超声心动图 parasternal mitral level short axis view 6 中才▣
二维超声心动图 parasternal mitral level short axis view 前 右 -左 后
二维超声心动图 apical four chamber view 心尖 Septum Apex of heart_ 右 左 _Apex or heart 心底 Tricuspid valve Aortic valve Right atrium Interatrial septum atrium