PE: unilateral increased tone, hyperreflexia,
positive Babinski test (contralateral UMN lesion -
ischemic > hemorrhagic), neck stiffness, vitreous,
subhyaloid or retinal bleeding (subarachnoid
haemorrhage), unilateral fixed & dilated pupil (CN
III compression), papilloedema, Cheyne-Stokes
breathing (lesions above brainstem), central
hyperventilation/prolonged inspiratory pauses/
irregular ataxic breathing (brainstem lesions)