Up until recent years I would have done the heart stop thing for free.
Always loved the movie flatliners.
I know it sounds stupid, but I had near death exp handed to me by fate and didn't see shit- no light at the end of the tunnel. No heaven, no hell, nothing. Very disappointing.
I would have let someone hit me with the paddles a few times- provided we're talking medical professionals in a hospital setting. Sure, why not.