I was just on the F train for my normal commute to work. It was rush hour and the train was overcrowded as usual. I was stuck in the middle and I needed to grab a pole, but there was a girl hunched over the pole nearest to me so there wasn't room for me to grab it. As the train started to go, I heard a huge smack. The hunched-over girl had fainted! She was on the ground, looking very strange with her neck bent and and head up against the side of a seat. There wasn't enough room where she had fallen to accommodate her body and she had smacked her head on the way down. "Is there an emergency button anyone can push?!" I yelled into the crowd. A woman yelled, "Is a there a doctor or medical professional on board?" People just kind of looked at each other. I wondered how I could help this girl breathe better or if I should even touch her. It appeared no medical professional was on board, so this might be some improv. I seriously hoped no CPR wa...