Brain death and Irreversible coma

Brain death noun - Death when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops.

Irreversible coma and brain death are semantically related. in cerebral death topic. In some cases you can use "Irreversible coma" instead a noun phrase "Brain death".

Brain death and irreversible coma are semantically related. Sometimes you can replace phrase "Brain death" with "Irreversible coma", this phrases are similar.