A 60-year-old woman with long-standing dizziness presented with sudden onset of unconsciousness for 2 hours and was diagnosed with intracerebral hemorrhage. On day 3 of hospitalization, examination revealed: deep coma, left pupil diameter 3.5 mm, right pupil diameter 2.0 mm, absent pupillary light reflex, bilateral positive Babinski sign, and respiratory rate of 14 breaths per minute with regular and stable rhythm. The patient likely developed