Brain hameorrhages Flashcards
What arteries are often involved in a subarachnoid haemorrhage?
Cerebral arteries
Usually anterior communicating artery
What often causes a subarachnoid haemorrhage?
berry aneurysm (found in the anterior comm artery)
What is a classic symptoms of sub arachnoid haemorrhage?
Thunderclap headache (severe + sudden)
Diagnosis of subarachnoid haemorrhage?
CT - if unclear…
do a lumbar puncture - will be bloodstained or Xanthochromic
What blood vessels are involved in a sub dural haemorrhage?
bridging veins of dural venous sinus to cortex
Pathophysiology behind sub dural haemorrhage
Brain atrophy makes bridging veins vulnerable
what kind of people get a sub dural haemorrhage?
elderly, alcoholics, epileptics
how do the symptoms of a sub dural present (fast/slow, steady/fluctuating ?)
Slow & fluctuating
What shape of haemorrhage does a sub dural show??
BANANA
what vessels often cause an epidural haemorrhage?
meningeal arteries - pterion
what commonly happens to cause an epidural haemorrhage?
sporting injuries
what shape does an epidural haemorrhage show on CT
LEMON
