lecture 2: subarachnoid hemorrhage Flashcards
rupture of a cerebral aneurysm is called
subarchnoid hemorrhage aneurysm
is subarchnoid hemorrhage an emergency
SAH is an neurological emergency
what can subarachnoid hemorrhage lead to
rarely, but stroke
where does bleeding occur for subarachnoid hemorrhage
bleeding occur between arachnoid and pia mater
appearance of SAH
spider-web appearance
most common cause of SAH
other than head trauma, rupture of saccular aneurysm
saccular ‘berry’ aneurysm different shapes and sizes
- round connected to patrent artery by stalk
- broad based without stalk
- cylindrical form
sah can cause stroke. yes or no
yes
a ct is great for dx of sah. but if ct is negative but sah is still heavily suspected; what dx test should be conducted
lumbar punture
if ct AND lumbar puncture are inconclusive, what is the last resort
cerebral angiography
complications of sah include
- re reputure
- decreased ca+ in blood ( hyponatremia)
- hydrocephalus
- vasospasm
managemnt of sah includes
bed rest
maintainace of clear airway
managing bp
fluid
monitor ca+ levels
prevention of vasospasm
lower intracranial pressure
what helps tx vasospasm
Nimodipine