This is a scenario that you don’t typically consider, but clearly it’s possible. It reminded me of a video I recently saw of someone passing out on a rollercoaster. I wonder how often the height and realization of the jump causes people to faint or seize.
http://www.huffingtonpost.com/2015/03/02/skydiver-seizure-video_n_6781308.html
INENARRABLE 