Many people love their smart watches. People use them daily to check texts, track steps and stay connected with friends. Now, some people are using their Apple Watch to diagnose and monitor health conditions. At his home on Colorado's Western Slope, there's one item you'll never find Dave Kaufmann without: his Apple Watch. "It's on all the time except for charging it," Kaufmann said. The smart device has become a critical piece of managing his atrial fibrillation (AFib), an abnormal heart rhythm. More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.