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Vascular Boards > URR Cerebrovascular > Flashcards

URR Cerebrovascular Flashcards

1
Q

-first major branch of the aortic arch
-right CCA and right subclavian A are the only branches

A

Innominate A or brachiocephalic

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2
Q

the right CCA originates from where?

A

innominate A

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3
Q

left CCA originates from where?

A

aortic arch

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4
Q

most common location of atherosclerosis?

A

CCA bif

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5
Q

anterior/medial branch of CCA?

A

ECA

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6
Q

ECA how in diameter compared to ICA?

A

smaller

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7
Q

branches of ECA?

A

-sup thyroid (FIRST)
-lingual
-ascending pharyngeal
-facial a
-occipital a
-posterior curical
superficial temporals

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8
Q

anterior branch of CCA that supplies mouth and tounge?

A

lingual A

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9
Q

posterior branch of ECA that supplies pharynx?

A

ascending pharyngeal

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10
Q

supplies scalp?

A

occipital a

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11
Q

artery used to perform temporal tap?

A

superficial temporal artery

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12
Q

resistance of ECA?

A

high

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13
Q

normal PSV of ECA?

A

<150 cm/sec

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14
Q

posterior/lateral branch of CCA?

A

ICA

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15
Q

distal ICA courses anterior then medial coursing in an ā€œSā€ shape. What is this called?

A

siphon area

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16
Q

does the ICA have any visible branches?

A

NO

17
Q

does the ICA respond to temporal taps?

A

NO

18
Q

the ICA supplies what percentage to blood to the brain?

A

75%

19
Q

first branch of ICA?

A

ophthalmic artery
-supplies eyes, nose, forehead, and brain

20
Q

the vertebral artery supplies how much blood to the cerebrum?

A

10-25%

21
Q

which vertebral artery is usually longer?

A

left

22
Q

normal PSV for vertebral artery?

A

<50cm/sec

23
Q

the subclavian supplies blood to what?

A

vertebral artery and arm

24
Q

variant where subclavian artery is direct branch of Ao?

A

abberant artery

25
Q

resistance of subcalvian?

A

high

26
Q

waveform of subclavian?

A

triphasic

27
Q

branch of subclavian artery?

A

vertebral
-internal mammary artery
-thyrocervical and costocervical

28
Q

left and right vertebral artery merge to form a single what?

A

basilar artery

29
Q

branches of the vertebral artery supply blood to what?

A

superior cerebellum and portions of brain stem

30
Q

bifurcation of teh vertebral arteries at the circle of willis to form what artery?

A

cerebral

31
Q

the circle of willis supplies blood to what?

A

all lobes of the cerebrum

32
Q

the circle of willis is usually complete in about what percentage of patients?

A

50%

33
Q

anterior cerebral A supplies what?

A

frontal and parietal brain

34
Q

mid cerebral artery supplies what?

A

frontal, parietal, and temporal

35
Q

posterior cerebral artery supplies what?

A

temporal and occipital brain

Vascular Boards (33 decks)

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