 and the damage you cause will be beyond repair. See, we didn't have to use crash or siren sounds after all. Speeding catches up with you. Brought to you by NHTSA. I'm Kareem Abdul-Jabbar. I learned about atrial fibrillation the hard way. My symptoms would come and go. Shortness of breath, fatigue. I kept going. Then I got so lightheaded, I couldn't. My doctor said I have AFib, so I'm about five times more likely to have a stroke.