you're not going to be able to function in the same way

你的心功能不会再像以前一样
because you're not going to get the same cardiac output

因为心输出量达不到原来的水平
because you're heart isn't beating fast enough.

因为你的心脏跳得不够快
There are ways to treat that now,

现在已经有办法治疗了
and the most common way of treating

最常规的治疗方式
that is by putting a pacemaker into the heart.

就是在心脏内埋入起搏器
The pacemaker is a device designed by biomedical engineers,

起搏器是生物医学工程是们设计的一种装置
about the size of a hockey puck,

大约有曲棍球大小
but now even smaller than that,

不过现在已经更小一些了
that sits in your chest and it basically

安放在胸部主要是
does what the SA node is supposed to do,

代替窦房结的功能
generates a potential with a very regular period.

有节律地产生动作电位