Ischemia/Stroke

Question 1

Most common complication of berry aneurysm is

Answer 1

rupture

Question 2

berry aneurysm Most common site is ________. Associated with ________

Answer 2

junction of ACom and ACA

ADPKD, Ehlers-Danlos syndrome, coarctation of aorta

Question 3

Obstruction due to HTN:

Rupture due to HTN:

Answer 3

Lacunar stroke

CBMA

Question 4

berry aneurysm occurs at

Answer 4

bifurcations in the circle of Willis

Question 5

Diffusion-weighted MRI can detect ischemia within

Answer 5

3–30 min.

Question 6

Neonatal IVH is due to ________

Answer 6

reduced glial fiber support and impaired autoregulation of BP in premature infants

Question 7

Therapeutic hypothermia

Answer 7

32-34’C (89.6-93.2) can be used after hypoxic or ischemic brain injury due to cardiac arrest. it lowers verebral metabolic activity.

Question 8

Subgleal hemorrhage:
b/w layers
Consistency
extent 
structure damaged

Answer 8

►periosteum and gleal aponeurosis
►diffuse, fluctuant
►extends beyond suture lines and potentially into neck
►emissary veins

Question 9

Cephal hematoma:
b/w layers
Consistency
extent

Answer 9

►skull and periosteum
► firm, non-fluctuant
► doesnot cross suture line

Question 10

Epidural hematoma is limited by

Answer 10

suture lines

Question 11

Subdural hematoma is limited by

Answer 11

dural reflections

Question 12

Most common complication of SAH is

Answer 12

1. ↑ICP

2. Vasospasm

Question 13

Mostly hemorrhagic stroke due to HTN occur in ________

Answer 13

deep brain

Question 14

Mostly hemorrhagic stroke due to old age/amyloid angiopathy occur in _____

Answer 14

cortex

Question 15

Hypertensive hemorrhages (Charcot-Bouchard microaneurysm) most often occur in

Answer 15

(PTPC)

putamen of basal ganglia (lenticulostriate vessels), followed by thalamus, pons, and cerebellum .

Question 16

Intraparenchymal hemorrhage: Most commonly caused by ______

Answer 16

systemic hypertension

Question 17

Parietal lobe hemorrhage:

Frontal lobe hemorrhage:

Answer 17

contralateral hemisensory loss

contralateral hemiparesis

Question 18

Only motor or only sensory loss rules out which arteries?

Answer 18

MCA, ACA

Question 19

____ is specific for PICA

Answer 19

Nucleus ambiguous IX, X,XI

Question 20

_____ is specific for AICA

Answer 20

Facial nucleus

Question 21

Pure motor contralateral paralysis in the absence of cortical signs → lesion of _____

Answer 21

internal capsule (posterior limb)

Question 22

Locked in syndrome + preserved consciousness (RAS sparing) → _____
Locked in syndrome + coma (RAS incolved) → _____

Answer 22

► Basilar artery

► pontine arteries