Also, that blood flowing through a VSD can be heard as a holosystolic murmur at the lower left sternal border.

并且，血液流经VSD时，在左下胸骨边缘听诊就会听到全收缩期杂音。

Place your fists on the lower border of your rib cage, and then gently push back so as to elongate your lower back.

把你的拳头放在你的较低的肋骨处，然后慢慢地把它放在你的背后。

Making our way down, between the fourth and fifth rib, next to the left lower border of the sternum, is where you can best hear the tricuspid valve closing.

让我们往下看，在第四肋及第五肋之间，紧靠左胸骨下缘，你可以清晰听到三尖瓣关闭的声音。