Assuming the newspaper reports are accurate, she is dead according to California law. Locations differ in what their committees decide what is really dead. Some definite it as total brain dead, others partial. In some locations the committee that determines brain dead is the same one that oversees organ transplants. Try googling.
It has happened a few times, people waking up from being “vegetables”. If it happens this time, the press will probably ignore it
She is brain dead according to the criteria in all 50 States and the District of Columbia.
What don’t you understand? Try reading the FAQ in #35