intracranial haemorrhage Flashcards
features of SAH
sudden onset headache, vomiting, neck pain, collapse, photophobia
what is usually underlying a SAH
berry aneurysm
when should you perform a LP in suspected SAH?
after 12 hours cause this is when xanthochromia would be seen
imaging for SAH
CT
re bleeding is a fatal complication of SAH. what is the mainstay of tx for this?
endovascular techniques
other complications of SAH?
hydrocephalus
hyponatraemia
seizures
delayed ischaemia
do you fluid restrict if there is hyponatraemia in SAH?
NO, give extra sodium
drug given to prevent delayed ischaemia following SAH?
NIMODIPINE for 3 weeks
and high fluid intake
what can cause steal syndrome?
AVMs
what is intracerebral haemorrhage
presentation?
bleed into brain parenchyma
headache, focal neuro deficit, decreased conscious level
what are most intracerebral haemorrhages secondary to?
HTN
Tectorial herniation of medial temporal lobe - what nerve can it compress?
ipsilateral CN III»_space; pupil dilatation and impaired ocular movements on that side
subfalcine herniation of cingulate gyrus - often assoc with compression of ? leading to ?
compression of anterior cerebral artery
this leads to weakness +/- sensory loss in the leg
who are brain abscesses most commonly seen in?
IVDU