Acute stroke managment Flashcards
1
Q
stroke risk with age
A
doubles every deade after 55
2
Q
def of stroke
A
clinical syndrome of sudden onset focal neuro deficift presumed to be due to vascular
3
Q
4 questions for stroke diagnosis
A
- is it stroke?
- where is lesion
- type of lesions (ischemia Vs. hemmorage
- what is etiology
4
Q
5 steps if stroke diagnosis
A
- Hx and exam
- labs (CXR, INR, CBC, HBA1C)
- image brain
- image vessels
- rule out cardiac source
5
Q
5 stroke mimics
A
- any focal lesion (tumor, demylenations)
- post ictal
- old stroke
- hysterical conversions
- migraine
6
Q
def of TIA
A
sudden onset of focal neuro that resolve within 24 hours AND no evidence of infarct on imaging
7
Q
5 signs of carotid stroke
A
- retinal ischemia
- aphasia
- cortical sensory loss
- apraxia
- sensory motor deficit
8
Q
5 signs of verti-basilar
A
- diploplia
- coma
- crosss sensory loss
- bilateral motor signs
- isolated field defect
9
Q
what are prevalence of stroke types
A
- 80 ischemic
- 10 sub arach
- 10 into parenchyma
10
Q
*** what shows on CT in 2 types
A
hemor- shows blood
isch - very subtle
11
Q
what are only 3 wihte things on CT
A
- blood
- contrast
- calcified tissues
12
Q
5 goals in acute isch stroke mgmt
A
- make rapid and acc. diagnosis
- reduce infarct size
- avoud secondary complications - sepsis, embolism
- secondary prevention
- educate and rehab
13
Q
what happens as ischemis prgresses
A
synaptic failure>membrane failure
14
Q
what is penumbra
A
area that can still be saved around the infarct
15
Q
what is treatment window
A
4.5 hours
