The Apple Watch EKG found something unexpected about my heart How does the new EKG feature on the Apple Watch work, and what can it tell you about your heart? Subscribe to CNET: https://www.youtube.com/user/CNETTV CNET playlists: https://www.youtube.com/user/CNETTV/playlists Download the new CNET app: https://ift.tt/2fmiQ6l Like us on Facebook: https://ift.tt/1930vfU Follow us on Twitter: https://www.twitter.com/cnet Follow us on Instagram: http://bit.ly/2icCYYm