National Dog Show: How human pacemakers are helping man's best friend | NBC Sports

Mary Carillo talks with Dr. Sandy Tou about how human pacemakers are saving dogs' lives and visits with a few canines that have been help by the device. #NBCSports #NationalDogShow » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on NBCSports.com: https://peacocktv.smart.link/v82e9dl56 NBC Sports Group serves sports fans 24/7 with premier live events, insightful stud...