problems with blood in the brain Flashcards
Stroke, TIA, subarachnoid haemorrhage, subdural haemorrhage, and extradural haemorrhage.
which arteries in the brain are likely to rupture in patients with HTN?
lenticular striate arteries (they have a very thin adventitia)
risk factors for stroke
heart disease
hypertension
diabetes mellitus
what percentage of strokes are embolic?
85%
what percentage of strokes are haemorrhagic?
10%
signs of intracerebral haemorrhage
sudden onset of stroke with raised intracranial pressure
signs of MCA stroke
receptive and expressive language areas arm and leg weak sensory loss hemianopia facial droop swallowing problems
signs of ACA stroke
leg symptoms
decrease in spontaneous speech
signs of PCA stroke
visual problems
complications of PCA stroke
prosopagnosia
other visual problems
complications of posterior circulation stroke
locked in syndrome
high death rate
during a stroke, the clock is ticking slower for which areas of the brain?
cortical areas
questions to ask when a patient has a stroke
is there bleeding?
yes - has a blood vessel ruptured?
no - is a blood vessel blocked?
is the blood supply reduced?
is the brain tissue injured?
immediate management of stroke
diagnose stroke clinically
CT scan to rule out bleed
thrombolysis (check for contraindications first)
treatment of stroke
thrombolysis (alteplase - up to 4.5hrs) anti platelet drugs thrombectomy carotid endarterectomy statins anticoagulants antihypertensives surgery
risk management of stroke
platelet treatments
cholesterol treatments
AF treatments
antihypertensives