Stroke

Question 1

stroke
def and types

Answer 1

neurological deficit attributed to an acute focal injury of the CNS by a vascular cause

ischemic stroke: clot in blood vessel blocks flow to area of brain

hemorrhagic stroke: broken blood vessel, bleeding into brain tissue

subarachnoid hemorrhage

Question 2

stroke signs

Answer 2

sudden onset usually vascular
right sided weakness means left side of brain involved and vice versa
anarthria: speech
cortical spinal tract involved- paralysis
left gaze means left side affected

Question 3

aetiology

Answer 3

virchow’s triad
1
reduced blood flow:
atrial fibrillation
immobility
varicose veins
pregnancy

2
blood vessel injury
trauma
hypertension
surgery

3
increased coagulability
sepsis
smoking
coagulation disorders
malignancy

Question 4

acute brain imaging CT

Answer 4

white means clot

Question 5

treatment for stroke

Answer 5

endovascular thrombectomy
if treated in time

then
thrombolysis
TPA thrombolytic agent
breaks clot to plasmin

2nd has risks:
fatal bleeding
TPA too late, brain liquefied/died

antiplatelets and high dose statins
eg. aspirin post stroke

long term
speech and language therapists
occupational therapists
physiotherapists

Question 6

FAST

Answer 6

facial
arm
speech
time