The traditional pacemaker, bottom, dwarfs the new Micra Transcatheter Pacing System and a nickel.
The traditional pacemaker, bottom, dwarfs the new Micra Transcatheter Pacing System and a nickel. Cathie Anderson
The traditional pacemaker, bottom, dwarfs the new Micra Transcatheter Pacing System and a nickel. Cathie Anderson

One inch long and as slender as a pencil, this device helps prevent heart attacks

September 11, 2017 12:00 PM

UPDATED September 12, 2017 09:01 AM

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