This happened to both my parents. In my dad's case, they failed and he died. In my mom's case, they succeeded in saving her a few times even after she was brain

This happened to both my parents. In my dad's case, they failed and he died. In my mom's case, they succeeded in saving her a few times even after she was brain dead. She had a DNR, but it wasn't an actual medical order from a doctor, but a legal document, so they ignored it. No fucking clue why.