. >> reporter: watching the drama unfold, 71-year-old dana mower.e had bad indigestion. >> i'm looking at that and saying, it's almost like a mirror of what i'm feeling. >> reporter: the very next morning he went to brigham and women's hospital. dana was having a heart attack. the physician on call? dr. crows. >> i joked that i was glad he saw the tv show, because it got him to us in a way where he could hopefully minimize the damage to his heart and make him feel better. >> i was like -- an unreal situation. you go in, dr. crose, i was watching you on tv. >> reporter: tonight on the mend. "save my life" potentially saving his life. "save my life" airs sundays at 10:00 p.m. eastern right here on abc. >>> thank you for watching abc news. tune into "good morning america" tomorrow, and as always, we are online 24/7 on our "nightline" facebook page and abcnews.com. good night, america. hi, daddy. hi, daddy. hey, guys! hey! oh! tickle monster! ( laughter ) what's up? daddy, we're going outside, okay? all right. don't throw rocks. wait, wait. did you two