His findings led to the artificial pacemaker and, in the 1980s, the implantable defibrillator, spawning the multibillion dollar "heart-rhythm management" industry.

他的发现带来了人工心律调整器的发明。二十世纪八十年代可植入电击器问世，带动价值数十亿元的心率管理工业兴起。

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Its once spectacular revenue growth has slowed to a crawl on stagnant sales for its core cardiac defibrillator and pacemaker products, mounting skepticism over its back-surgery devices and industrywide price pressures.

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However, Maisel said pacemaker and defibrillator patients shouldn't tuck them in their front pockets, drape them over their shoulders or allow a loved one to rest his head on their stomach while mellowing out and listening to an iPod.

CNN: Study: Headphones could interfere with pacemakers