to worry about. time is everything. dr. richard besser, abc news, new york. >> it seems with all today's wireless technology and things we can do, having -- being able to get those heart rhythm tests back to the hospital while still on the ambulance seems like something most states could invest in and get done. >> seem like a no-brainer. you feel those symptoms, a lot of times the most common time to have symptoms of a heart attack, monday morning and then it's saturday morning, but morning in general because the platelets, the blood platelets are stickier. my dad who has had a couple of heart attacks carries a bottle of aspirin on his key chain so if he feels the symptoms, chew it. immediately gets in your blood stream. >> supposed to thin the blood out a little. that's always a trick, too. >> every 20 seconds, someone suffers a heart attack. every minute, it's fatal. >> it is scary. >> but you'll survive if paramedic paula shows up. >> paramedic paula. nurse faris. you would not be in good hands.