"Hey guys, I just finished squatting and I puked up blood, is that normal?" NO! See a doctor! "Anyone ever have that feeling like a thousand knives of fire are stabbing you in the heart after you exercise?" NO! See a doctor! "I just finished benching and I dropped 315 pounds on my chest, should I put some ice on it or something?" NO! See a doctor! "I was hit by a car when I left the gym and I can't feel my legs. Anyone know a good exercise I can do?" NO! See a doctor! Off-topic.net, the Fitness and Nutrition Moderators, and Off-topic contributors are not licensed to give medical advice, diagnose, or treat injuries. If you have something bad happen, see a doctor FIRST, then post about it.