Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neuro 2 Exam > Blood Supply > Flashcards

Blood Supply Flashcards

1
Q

Epidural Hematoma

A
  • Lens shaped (middle cranial fossa)
  • Bleed in potential space b/w skull and dura
  • @ Pterion
  • Middle meningeal A.
  • Momentary unconsciousness followed by lucidity (hours to days) then unconsciousness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Subdural Hematoma

A
  • Crescent shaped (jagged)
  • Bleed b/w dura and arachnoid
  • Cortical veins (as they open into sup. sagittal sinus)
  • Slow accumulation of blood since its venous in nature
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Subarachnoid Hematoma

A
  • Bright white areas on brain CT
  • Aneurysm rupture
  • Cerebral a. is source
  • Massive bleed into CSF (thunderclap headache, deteriorating consciousness)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Intracerebral (Subpial) Hematoma

A
  • Large white spot of CT
  • Bleeding within brain substance d/t stroke
  • Middle cerebral a. usually
  • D/t HTN or degenerative arterial disease
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Subfalcine Herniation

A
  • AKA cingulate/falcine/falx herniation
  • Supratentorial compartment (displaces brain tissue underneath falx cerebri)
  • May compress ACA/frontal/parietal lobes
  • May lead to transtentorial herniation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Transtentorial Herniation

A
  • AKA central herniation
  • Brain displaced downward toward tentorial notch
  • Comprises upper brainstem, CN III, lower structures (Basilar a. and PCA)
  • Decerebrate/decorticate rigidity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Uncal Herniation

A
  • Uncus and parahippocampal gyrus extruded over tentorium cerebelli and through tentorial notch
  • Impinge on midbrain
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tonsillar Herniation

A
  • Cerebellar tonsils through foramen magnum

- Compression of medulla and upper cervical spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

CN III relationships

A

b/w superior cerebellar a. and posterior cerebral a.

near posterior communicating a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

CN IV relationships

A

b/w anterior inferior cerebellar a. and internal acoustic (labyrinth) a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CN II relationships

A

Internal carotid a. and anterior cerebral a. and anterior communicating a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

CN V relationships

A

Aberrent vessel of superior cerebellar a. (Trigeminal neuralgia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

CN VII relationships

A

Anterior inferior cerebellar a. (Bells)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Anterior Cerebral A. supplies

A

Medial/Superior surfaces of frontal and parietal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Middle Cerebral A. supplies

A

Lateral surface of frontal and parietal lobes

Superior part of temporal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Posterior Cerebral A. supplies

A

Occipital lobe and inferior temporal lobe

17
Q

A1

A

Precommunicating segment

ICA to Anterior Communicating A.

18
Q

A2

A

Infracallosal segment

Ant. Communicating A. to where rostrum and genu of corpus callosum meet

19
Q

A3

A

Precallosal segement

Around genu of CC and ends where vessels turn caudal

20
Q

A4

A

Supracallosal

Superior to CC

21
Q

A5

A

Postcallosal

Caudal to CC

22
Q

M1

A

Sphenoidal/horizontal segment

ICA to bifurcation @ insula

23
Q

M2

A

Insular segment

bifurcation @ insula to circular sulcus of insula (right turn)

24
Q

M3

A

Opercular segment

Circular sulcus of insula to external surface of lateral fissure

25
Q

M4

A

Cortical segment

On the cortex

26
Q

P1

A

Basilar bifurcation to posterior communicating a.

27
Q

P2

A

Posterior communicating a. to around midbrain

28
Q

P3

A

Quadrigeminal segment

Within quadrigeminal cistern

29
Q

P4

A

Cortical segment

30
Q

Anterior Spinal A. supplies

A 
Medial medulla (pyramids, hypoglossal nucleus, medial lemniscus)
*Middle Medullary Syn
31
Q

Posterior spinal a. supplies

A

Lower medulla (FC, FG, CN, GN)

32
Q

Posterior inferior cerebellar a. supplies

A

Lateral medulla

*Lateral Medullary/Wallenberg

33
Q

Anterior inferior cerebellar a.

A

Cochlear nuclei (dorsal/ventral)

34
Q

Paramedian branches of basilar a.

A

Medial Pons

*Medial pontine syn

35
Q

Long circumferential branches of basilar a.

A

Lateral Pons

*Lateral pontine syn

36
Q

Anteromedial (paramedian) branches of basilar a. and P1

A

Medial midbrain

*Weber’s syn

37
Q

Anterolateral (short circumferential) branches of quadrigeminal (P3) and superior cerebellar aa.

A

Inferior and Superior Colliculus

38
Q

Anterior Choroidal a.

A

Optic tract/hippocampal formation/internal capsule

39
Q

Lenticulostriate aa. of MCA

A

Internal Capsule

Neuro 2 Exam (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions