Brain Death
Brain Dead
noun, の adjective
If your brain is dead you have brain death.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
脳死かどうかはどうやってジャッジするんですか？
How do you judge if someone is brain dead?
とりあえず脳死でこのエクササイズやってみて。
For now, try doing this exercise without thinking about it.
脳内出血は、脳卒中につながり、最悪脳死を引き起こすこともあります。
Brain hemorrhaging may lead to stroke and, finally, brain death.