histo neuro Flashcards

(55 cards)

1
Q
A
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2
Q

sx of stroke

A

FAST numbness dyphagia

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3
Q

sx of TIA

A

amaurosis fugax <24 hours carotid bruit

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4
Q

tx of stroke

A

thrombolyse if <4 hours aspirin and dipyridamole

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5
Q

tx of tia

A

aspirain and dipyridamole

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6
Q

IX for stroke

A

CT FBC, BP, glucose, ESR ECG carotid doppler

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7
Q

ix for TIA

A

carotid dopplers FBC, U&E, glucose, bp, ECG

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8
Q

RF for stroke or TIA

A

FH HTN DM OCP PVD ETOH sickle cell/ PCV

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9
Q

non traumatic cerebral haemmorhages

A

parechymal haemmorhage SAH

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10
Q

causes of parenchymal haemmorhage

A

HTN

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11
Q

what occurs in parenchymal haemmorhage

A

charcot-bouchard aneurysms

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12
Q

where do parenchymal hammorhages occur

A

basal ganglia

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13
Q

SAH causes

A

ruptured berry aneurysms AVM Ehler danlos/ coarction of aorta

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14
Q

presentation of SAH

A

thunderclap headache vomiting loss of conciousness

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15
Q

extra dural hammorhage pathology

A

middle meningeal artery rupture due to trauma and skull fracture

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16
Q

presentation of extradurual haematoma

A

rapid arterial bleed lucid interval LOC

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17
Q

causes of subdural haematoma

A

fall often in elderly/ alcoholics b/c brain atrophy is a RF

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18
Q

presentation ofsubdural haematoma

A

fluctuating conciousness

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19
Q

coup vs contre coup

A

coup= site of trauma dn contr coup is region opporiste

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20
Q

define contusion (brain)

A

where brain touches skull +/- fracture

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21
Q

6 types of brain herniation

A

uncal transtentorial subfalcine tonsillar upwards transcalvarial

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22
Q

what is meningism

A

kernig’s sign stiff neck photophioiba headache

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23
Q

what to do if suspected meningitis

A

immediate abs then confirm with LP and cultures

24
Q

Lp of bacterial meningitis

A

turbid appearance low glucose <40mg/dL high protein >250g/L neutrophils bacteria in smear 90-1000+ cells/mm^3

25
LP of viral meningitis
clear appearance lymphocytes present low ornormal protein \<100g/L normal glucose \>40mg/dL 50-1000 cells/mm^3
26
LP of TB meningitis
fibrin web lymphocytes present low glucose \<40 high protein 50-500mg/dL 10-1000 cells/mm^3
27
neonatal cause of bacterial meningitis
GBS listeria E.Coli
28
paediatric causes of bacterial meningitis
haemophilus influenzae streptococcus pneumoniae
29
adult causes of bacterial meningits
strep pneumoniae neisseria meningitis
30
causes of bacterial meningitis in elderly
strep pneumoniae gram negative rods e.g. e coli
31
viral causes of meningitis in neonate
coxsackie echovirus HIV mumps
32
causes of viral encephalitis
rabies herpes simples 1
33
sx of viral encephalitis
drowsiness behavioural changes headache fever seizures
34
neurofibromatosis causes what tumour
meningioma
35
a ventricular tumour with hydrocephalus is usually a
ependymoma
36
an indolent childhood tumour is often a
pilcytic astrocytoma
37
a soft gelatinous calcified tumour is often a
oligodendroma
38
protein involved in alzheimners
tau beta amyloid
39
protein involved in DLB
ubiquitin alpha synuclein
40
protein involved in CBD
tau
41
protein involved in FTD
tau
42
protein in picks disease
tau
43
treatmetno falzheimers disease
glutamate antagonist nAchR agonists anticholinesterases
44
histology of alzheimers
NFTs of tau beta amyloid plaques
45
gross findings in alzheimers
wide sulci and narrow gyri widened ventricles
46
DLB presentations
parkinsonism psychological disturbances hallucinationsfalls
47
Parkinsons' disease
death of dopaminergic neurones in SN
48
sx of parkinsons
Tremor Rigitidy Akinesia Postural instability pscyh features e.g. hallucinations
49
protein in oparkinsons
alpha synuclein
49
50
MS pathology
loss of myelin and plaques
51
types of MS
RRMS primary progressive
52
protein markder in MS
myelin basic protein proteolipid protein
53
Multiple system atrophy three subtypes
shy drager syndrome olivopontocerebellar striatonigral
54
shy drager syndrome features
autonomic dysfunction