@CNN: The new Apple Watch touts a built-in, FDA-approved EKG sensor to test your heart https://t.co/sl4m4dOneD https://t.co/BjlJOZ430M

@CNN: The new Apple Watch touts a built-in, FDA-approved EKG sensor to test your heart https://t.co/sl4m4dOneD https://t.co/BjlJOZ430M