Replacing a pacemaker with a device the width of a human hair

Researchers have developed an ultrathin device that could one day provide an alternative to an intrusive and bulky pacemaker

Permanent Pacemaker (PPM)

World's Smallest Pacemaker Implanted For Regularizing Heart Rate

Permanent Pacemaker - an overview

Artificial cardiac pacemaker - Wikipedia

Pacemakers and ICD, Helping Your Heart

Pacemaker: when is it needed?

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How Does a Pacemaker Work?

Laughing gas could point to alien life on Earth-like planets – Physics World

Insertion of a pacemaker or defibrillator

Making a wireless, biodegradable pacemaker