Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

Understand how defibrillators work to restart the human heart. One type of drinking water linked to up to 62% higher Parkinson's risk Teens arrested after teacher prank turns deadly in Georgia RFK ...

Few medical therapies pose the issue of how to avoid sudden cardiac death as starkly as does the implantable cardioverter defibrillator — a device that is implanted like a pacemaker, which has been ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Virginia Singla, University of Pittsburgh (THE CONVERSATION) Your heart's job is to ...