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6. Neurology (Medical Knowledge) > [stroke] > Flashcards

[stroke] Flashcards

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USMLE® Step 1 flashcards
1
Q
A

Endocarditis
AF
MI
Prosthetic valves

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2
Q

[stroke]: Where in the brain does a ‘watershed/boundary zone’ stroke occur (not a brain area )

A

Infarct in the area between the supply of two arteries (i.e. decreased blood supply).

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3
Q

[stroke]: When does a ‘watershed/boundary zone’ stroke occur

A

Sharp drop in BP (sepsis)

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4
Q
A

CADASIL

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy)

+ rare inherited disorder
+ thickening of the walls of small- and medium-sized blood vessels blocks the flow of blood to the brain

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5
Q
A

Cerebral autosomal dominant arteriopathy with subcortical infarcts & leucoencephalopthy

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6
Q
A

NOTCH3

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7
Q
A

Carotid artery

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8
Q
A

Carotid bruit
high homocysteine
Syphilis
increased clotting

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9
Q
A

Lacunar
Brainstem

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10
Q
A

Basal ganglia
internal capsule
Thalamus
Pons

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11
Q
A

Consciousness/cognition is unaffected

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12
Q
A

Brainstem

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13
Q
A

Brainstem

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14
Q
A

ABBC TNA

Airway
BP, pulse, ECG
Blood glucose (4-11)
CT/MRI (urgent)
Thrombolysis
NBM
Antiplatelet

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15
Q
A

Aortic dissection
encephalopathy

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16
Q
A

4.5 hrs

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17
Q
A

Alteplase (tissue plasminogen activator)

18
Q
A

Major infarct/haemorrhage on CT
Neuro-deficit
recent birth/surgery/trauma/uncompressible puncture
AVM/aneurysm
Previous CNS bleeds
Anticoagulants/
seizures

19
Q
A

1.7

20
Q
A

> 220/130

21
Q
A

<100

22
Q
A

post. cerebral

23
Q
A

anterior cerebral
middle cerebral

24
Q
A

Medial
frontal

25
Q
A

leg
arm

26
Q
A

Anterior cerebral

27
Q
A

Bilateral ant. cerebral artery

28
Q
A

Middle cerebral

29
Q
A

Contralateral homonymous hemianopia.

30
Q
A

Dysphasia (disorder of language)

31
Q
A

visuo-spatial disorders (gets lost/ cannot dress)

32
Q
A

Macula receives collateral blood supply from the middle cerebral artery.

33
Q
A

Vertebro-basilar (i.e. not carotid)

34
Q
A

Pontine

35
Q
A

Locked in

36
Q
A

vertebral
posterior inferior cerebellar

37
Q
A

vertigo
vomiting
dysphagia
ipsilateral ataxia
soft palate paralysis
ipsilateral horners
analgesia ipsilateral on face, contra on body.

38
Q
A

one vertebral
posterior inferior cerebellar

39
Q
A

subclavian artery stenosis

40
Q
A

Subclavian steal syndrome

41
Q
A

Subclavian steal syndrome

6. Neurology (Medical Knowledge) (24 decks)

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