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PT664 > Cerebral Circulation > Flashcards

Cerebral Circulation Flashcards

1
Q

Anterior Artery of the Brain

A

Internal Carotid Artery
- Frontal, parietal lobes
- Internal capsule
- Anterior parts of the corona radiata

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2
Q

Posterior Artery of the Brain

A

Vertebral Artery
- Spinal cord
- Brain stem
- Cerebellum
- Occipital lobe
- Temporal lobe

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3
Q

Internal Carotid Artery Branches

A

Ophthalmic artery
Posterior communicating artery
Anterior choroidal artery
Anterior cerebral artery
Middle cerebral artery

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4
Q

Posterior Circulation Branches

A

Posterior Inferior Cerebellar Artery (PICA) x2
Basilar Artery
- Anterior Inferior Cerebellar Arteries (AICA) x2
- Pontine Perforating Arteries
- Superior Cerebellar Arteries x2
Posterior Cerebral Arteries x2

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5
Q

Circle of Willis

A

Posterior cerebral arteries
Posterior communicating
Internal carotid
Anterior cerebral
Anterior communicating

NOT middle cerebral artery

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6
Q

All cerebral arteries have:

A

Cortical branches and sub cortical/deep penetrating branches

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7
Q

Medial Cerebral Artery (MCA)

A

Most associated with strokes that affect sensation/motor intervention to the head, upper limbs and trunk on the contralateral side
Could also affect speech if Broca’s or Wernicke’s area is involved

Supplies the Lateral surface via cortical branches
Supplies the Basal ganglia (putaman and Globus Pallidus via lenticular-striate arteries

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8
Q

Anterior Cerebral Artery (ACA)

A

Most associated with strokes that affect sensation/motor intervention to the Lower extremities

Supplies medial surface via cortical branches
Supplies the caudate head via recurrent artery of Heubner

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9
Q

Posterior Cerebral Artery (PCA)

A

Supplies the temporal and occipital part of the brain via Cortical branches
Supplies the Thalamus via deep branches

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10
Q

Anterior Choroidal Artery

A

Main supplier of the Internal capsule

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11
Q

Lateral Medulla Supply

A

Vertebral artery and posterior inferior cerebellar artery

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12
Q

Medial Medulla

A

Vertebral Artery

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13
Q

Lateral Pons

A

Superior and anterior inferior cerebellar artery

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14
Q

Medial Pons

A

Basilar Artery

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15
Q

Midbrain

A

Posterior cerebral artery

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16
Q

Spinal Cord Arterial Blood Supply

A

Extrinsic arteries
- Segmental spinal arteries
— Radicular
— Anterior longitudinal
— Posterior longitudinal
Intrinsic arteries

17
Q

Spinal cord Anterior/Posterior damage

A

Posterior Spinal artery damage - DCML
Anterior Spinal artery damage - CST or ALS

18
Q

Venous Drainage

A

External veins
- Superior sagittal sinus
- Right transverse
- Sigmoid
- Internal jugular
Internal
- Inferior sagittal, straight, left transverse

Increased pressure = Increased drainage issues

PT664 (7 decks)

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