Neuro 1: Vasculature Of The Brain

Front 1

What main 2 arteries supply the brain?

Back 1

Internal carotid and vertebral arteries

Front 2

If CBQ is <30 - 35 ml/100gm/min:

Back 2

Ischemia [local anemia due to lack of blood flow]

Front 3

If CBQ < 20 ml/100gm/min:

Back 3

Infarction

Front 4

Extended CBQ of <15 ml/100gm/min:

Back 4

Massive Infarction

Front 5

What 3 arteries supply the supratentorial structures?

Back 5

Anterior, Middle and Posterior Arteries (Anterior and middle from internal carotid and posterior from vertebral)

Front 6

What arteries supply the posterior fossa?

Back 6

Vertebral Arteries: PICA and Basilar (Anterior inferior cerebellar arteries, pontine arteries and superior cerebellar arteries)

Front 7

Through what vertebrae does the vertebral artery ascend?

Back 7

Cervical Vertebrae 1-6

Front 8

What arteries supply the choriod plexus in the lateral ventricle?

Back 8

Anterial choroidal artery and posterior choroidal artery

Front 9

Which artery supplies 80% of the blood to the cerebral hemispheres?

Back 9

Middle Cerebral arteries

Front 10

Most strokes involve the distribution of which artery?

Back 10

Middle cerebral arteries (both cortical and central branches)

Front 11

Interruption of the middle cerebral artery would produce paralysis on what side?

Back 11

Contralateral

Front 12

Interruption of the middle cerebral artery would produce sensory defecits where?

Back 12

Head, arm and upper body

Front 13

And what if the damage is in the left hemisphere?

Back 13

Speech and/or understanding is effected

Front 14

Where is the recurrent artery of Heubner derived?

Back 14

Anterior Cerebral Artery

Front 15

Is the recurrent artery of Heubner a central or cortical branch?

Back 15

Central of the anterior cerebral artery

Front 16

If the pre and postcentral gyri of the paracentral lobule are affected (anterior cerebral artery) where would paralysis and sensory loss occur?

Back 16

Contralateral lower extremity

Front 17

Where is PICA derived?

Back 17

Verterbral artery

Front 18

What artery is most often prone to occlusion?

Back 18

PICA (lateral medullary syndrome)

Front 19

Stroke of the posterior cerebral artery produces what?

Back 19

Blindness in contralateral visual field--> Calcarine branches

Front 20

What is the calcarine artery a branch of?

Back 20

Posterior cerebral artery

Front 21

What veins empty into the dural sinuses?

Back 21

Diploic, Emmisary and Cerebral

Front 22

Where are superficial cerebral veins located?

Back 22

Subarachnoid space

Front 23

What drains into the Great Cerebral Vein of Galen?

Back 23

Internal Cerebral Veins and Basal Veins

Front 24

Where does the Great Cerebral Vein of Galen drain?

Back 24

Straight Sinus

Front 25

What drains into the internal cerebral veins?

Back 25

Thalamostriate veins (AKA vena terminalis) and Choroidal veins

Front 26

What type of occlusion usually occurs in an intracranial occlusion? What is the exception?

Back 26

Embolic; exception is Basilar system where it is more often thrombotic associated with atherosclerotic plaques

Front 27

What type of occlusion usually occurs in an external occlusion?

Back 27

Thrombotic

Front 28

What is intracerebral hemorrhage often associated with?

Back 28

HT

Front 29

What space do aneurysms bleed into?

Back 29

Subarachnoid

Front 30

Where do aneurysms usually occur?

Back 30

Branch points in the circle of Willis.

Front 31

What artery would you inject to see the anterior and middle cerebral arteries in an angiogram?

Back 31

Internal carotid

Front 32

What artery would you inject to see the basilar and posterior cerebral arteries?

Back 32

Vertebral