With a shock at my heart, I smiled back.

我心里一惊，也对他笑了笑。

youdao

And in some patients we test the defibrillator by causing the heart to go into a life-threatening rhythm, to make sure the defibrillator can recognize it and shock them out of it.

而且对有些患者我们还要诱发其产生危及生命的心律失常来测试，以保证除颤器能正确识别并完成对心脏的去颤。

youdao

ICDs are considerably more advanced and complex than pacemakers and use small computers to sense electrical activity, monitor the heart and determine when and how to apply a therapeutic shock.

ICDs比心率调整器更先进更复杂，它可以利用小型计算机来感觉电流，对心脏进行监控以决定何时采取治疗性电击。

youdao

Some devices include a defibrillator, which gives a shock if the heart beats too fast.

VOA: special.2010.06.02

While they're sitting there thinking about painful shock it's making their heart beat faster, it's making their palms sweat, it's making them breathe harder maybe.

因为在等待痛击实验时,他们的心跳加速，手心冒汗，可能呼吸开始急促。

耶鲁公开课 - 心理学导论课程节选

Some pacemakers include a defibrillator, which gives a shock if the heart beats too fast.

VOA: special.2010.06.29

The automated external defibrillator is a portable, self-contained machine that can shock the heart back into rhythm.

CNN: Cardiac-arrest victims' parents push for school defibrillators

If it detects a severe arrhythmia, the device is designed to shock the heart, causing it to revert to normal rhythm.

CNN: Cheney goes home after heart device implant

There was no water there but they still didn't shock her heart.

BBC