American rapper DMX is to undergo a series of tests on Wednesday, to determine how much brain function and activity he has.
These tests will dictate further decisions to be made by DMX's family.
The 50-year-old is in grave condition and is on life support after reportedly overdosing and suffering a heart attack at his home on Friday.
He was deprived of oxygen for nearly 30 minutes, with little brain activity.
Throughout his career DMX has been open about his struggles, including his battle with drug addiction.