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NSB Biweekly 1 > Sos- Stroke > Flashcards

Sos- Stroke Flashcards

1
Q

Damage to the brain due to a decreased oxygen flow to areas of the brain and spinal cord

A

stroke

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2
Q

2 main types of stroke

A

hemorrhagic
ischemic

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3
Q

stroke that happens with no damage seen on histology, but does clue you in on future strokes

A

Transient ischemic attack (TIA)

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4
Q

Sudden loss of balance
Sudden loss of vision in one or both eyes
Difficulty talking
Facial droop
Sudden muscle weakness

A

stroke

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5
Q

high bp
high cholesterol
type II diabetes
tobacco/vaping

A

increases risk of stroke

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6
Q

Normal is 60-100 mmHg

A

cerebral perfusion pressure

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7
Q

mean arterial pressure (MAP) – Intracranial pressure (ICP)

A

CPP

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8
Q

normal ICP

A

5-10 mmHg

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9
Q

2(DBP)+ SBP/3

A

MAP

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10
Q

CPP below 60

A

ischemia (coma)

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11
Q

the main regulator of blood flow in the brain

A

CO2

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12
Q

increase in ______ means increase in blood flow in the brain

A

CO2

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13
Q

body’s response to elevated ICP

A

Cushing’s Triad

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14
Q

cushing’s triad:

A

bradycardia
Cheyne-Stokes respirations
elevated SBP

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15
Q

“red and dead” neurons

A

stroke

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16
Q
A

stroke

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17
Q

most common artery that gets occluded

A

middle cerebral artery

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18
Q

80% of blood to brain is supplied by what

A

cerebral arteries (MCA and ACA)

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19
Q

most common vessel involved in ischemic stroke

A

MCA

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20
Q

MCA stroke causes loss of blood flow to R parietal lobe (dont see L side of body)=

A

hemineglect syndrome

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21
Q

stroke involving _____ has vision deficits

A

PCA (posterior cerebral a.)

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22
Q

pt strokes, but it began in the heart

A

Afib not properly controlled w/ meds; clot forms; goes to brain

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23
Q

problems w/ speech and understanding language
R side neglect

A

Left MCA stroke

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24
Q

most common cause of stroke

A

cardiogenic

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25
second most common cause of stroke
obstruction in carotids
26
MCA infarct
27
what does MCA stroke affect
upper extremities and face
28
what does ACA stroke affect
lower extremities
29
learn
30
___ limb of IC deals with higher cortical function
anterior
31
___ limb of IC deals with extremities
posterior
32
top 3
L: callosomarginal a middle and R: pericallosal a
33
vision problems and short term memory problems with this stroke
PCA (short term memory due to parahippocampal gyrus)
34
ACA infarct
35
posterior infarct
36
watershed zone infarct
37
watershed zone infarct
38
due to small deep penetrating arteries (lenticulostriate arteries)
hemorrhagic stroke (HTN)
39
charcot-bouchard aneurysm
40
_____leads to dilation of these vessels forming Charcot-Bouchard aneurysms and possible rupture
HTN
41
hemorrhagic stroke
42
interventricular bleed (HTN stroke)
43
interventricular bleed
44
most common areas for berry aneuryms
circle of willis
45
top artery
basilar a
46
____ aneurysms can be surgically repaired
saccular
47
worst headache of my life, thunderclap headache (subarchanoid hemorrhage) caused by what
rupture of saccular (berry) aneurysm
48
____% of subarachnoid hemorrhages from rupture of saccular aneurysm in anterior circulation
90%
49
where is the blood
in Sylvian fissure
50
where is the blood
subarachnoid hemorrhage around midbrain
51
where is the blood
around the pons
52
MCA aneurysm and hemorrhage (anterior circulation)
53
point out: supramarginal gyrus angular gyrus pre and postcentral gyrus inferior frontal gyrus
54
top L: anterior limb of IC bottom L: nucleus accumbens top R: septum pellucidum next: caudate nucleus next: Putamen next: septum
55
what is abnormal
gyral loss
56
top L: caudate nucleus next: lateral medullary lamina next: globus pallidus next: amygdala top R: lateral fissure next: fornix next: claustrum next: hippocampus
57
what part of IC
posterior limb (thalamus is medial to it)
58
point out: cerebral aqueduct parahippocampal gyrus uncus
59
point out corona radiata
60
what is lit up
corona radiata
61
what view
midbrain (mickey mouse)
62
name the middle structures
caudate IC putamen thalamus
63
learn
64
point out: parts of brainstem thalamus hypothalamus lateral ventricle corpus callosum cingulate gyrus paracentral lobule/gyrus
65
if anterior cerebral a. is obstructed, what is the main gyrus affected
paracentral lobule (lower extremities affected)

NSB Biweekly 1 (15 decks)

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