Well I've never been at death's door... but I've almost killed other people xD
1- when I was young I shoved a polly pocket down my little brother's throat, and made him swallow it. He had to go to the emergency room.
2-I used to be in synchronized swimming (not a good idea for me!!) and we were all diving into the water, when I hit the girl beside me and she smashed her head against the pool wall, and she fainted in the water, people were screaming the lifeguard to come help but she was just reading her book. Then she looked up and saw the girl drowning, she came over crying.. "This has never happened before!" "I let my hopes down!" and stuff xD the girl who I almost killed said everything went black and her head fet like it was floating away from her body. But on the bright side everybody was too distracted by being mad with the lifeguard to be mad at me for almost killing the poor girl
3-My friend and I were walking down the road from her house to the variety store in grade 2, and we were doing signs like "call me" and stuff to cars passing by, when this transport truck came from behind, and it startled me, I thought it was gonna hit me so I pushed my frieend towards it and she fell down on the edge of the sidewalk and the truck flew by. She didn't get hurt, but she got the wind knocked out of her and saw big flashes..
I've done a lot of other bad injuries to people, but those haven't brought them to death's door. (ex: in 1st grade influencing other kids to backflip of the giant dinosaurs in the sandbox, and hanging upside down with no hands .. these resulted in a broken arm, and a scar, cutting people's skin attempting to go for their toes and etc)