Cerebrovascular Events Flashcards
(28 cards)
what is a stroke?
a disruption of blood suply to the brain resulting in damage and death of brain tissue
what are some signs of a stroke?
weakness of the face severe headache confusion trouble seeing trouble speaking dizziness
what is atherosclerosis?
build up of plaque in your blood vessels
what are the three things doctors will do to diagnose a stroke?
clinical presentation
CT
blood tests
which vascular territory is affected if a patient has aphasia?
middle cerebral artery
what is wallenburg syndrome and what area is affected by it?
wallenburg presents usually as dysphagia and slurred speech
lateral medulla
what blood tests would you run?
blood glucose
platelet count
why would you run a blood glucose test?
low blood sugar levels can cause symptoms similar to those of a stroke
what might a platelet count reveal?
count is too high and you have a thrombotic disorder (too much clotting)
or they’re too low and you have a bleeding disorder
what can an echo tell you?
the size and shape of your heart
can detect blood clots
what can show if there is plaque in arteries?
a carotid ultrasound
what would a lumbar puncture rule out?
a subarachnoid haemorrhage
BECAUSE it would reveal if there was blood in the CSF
what two types of stroke are there?
ischaemic and haemorrhagic
what kind of injury can form as a result of an intracerebral haemorrhage?
haematoma
bleeding into the ventricles (ivh)
what would cause a subarachnoid haemorrhage?
the bursting of an anyeursm in an artery near the surface
what three types of infarct can you get?
embolic
thrombotic
lacunar
where does an embolic infarct originate?
it is a blood clot formed in one part of the body that then is dislodged and travels to the brain
where does a thrombotic infarct originate?
in an artery that supplies the brain
where does a lacunar infarct originate?
arterial blockage caused by hypertension
what kind of management options would you be looking at for a HS?
management of blood clots
ICP
aneurysm repair
what are the two methods of aneurysm repair?
coiling and clipping
how would you treat an ischaemic stroke?
thrombolysis if applicable
antiplatelet meds
anticoag meds (blood thinners)
what is thrombolysis and what is the medication called
it is the act of giving tPA to break down and disperse a clot
why might a patient not be given tPA?
suitability
- haemorrhagic stroke
- didnt get to hospital in time
- they have a bleeding disorder