Answer
She might have intracranial hemorrhage or bleeding from a ruptured vessel, and blood might be accumulated in her cranial.
Work Step by Step
She most likely has intracranial hemorrhage or a vessel might be ruptured from her fall from the roof. Due to this, blood might be accumulated in her cranial causing her to be unresponsive and confused. If she was conscious and alert before and her neurological condition deteriorated gradually, this is a sign of hemorrhaging that is compressing vital brain tissues.
