<unk> , or<unk> , is the net<unk>  gradient causing<unk>  blood flow to the brain (brain<unk> . It must be maintained within narrow limits because too little<unk>  could cause brain tissue to become ischemic (having inadequate blood flow), and too much could raise intracranial<unk>  (ICP).
Cerebral perfusion pressure
Intracranial pressure
Mean arterial pressure
Segmental blood pressure
Mean systemic pressure
Cardiac output
Plasma osmolality
Central venous pressure