@CNN: The new Apple Watch touts a built-in, FDA-approved EKG sensor to test your heart https://t.co/sl4m4e5YDd https://t.co/CAnVDz33LX

@CNN: The new Apple Watch touts a built-in, FDA-approved EKG sensor to test your heart https://t.co/sl4m4e5YDd https://t.co/CAnVDz33LX