blood supply to head

Question 1

what cardiac output, O2, glucose goes to brain?

Answer 1

Receives 15% of cardiac output and uses 20% of total body O2 and 25% of total body glucose

Question 2

WHAT IS the difference between brain veins and normal veins

Answer 2

no valves

Question 3

basilar artery becomes

Answer 3

PCA

Question 4

midd meningeal comes off

Answer 4

maxillary artery

Question 5

maxillary artery comes off

Answer 5

external carotid

Question 6

pterion which bones

Answer 6

frontal temporal parietal sphenoid

Question 7

vertebral artery comes off

Answer 7

subclavian

Question 8

pica comes off

Answer 8

vertebral

Question 9

aica comes off

Answer 9

basilar

Question 10

dural sinuses lie

Answer 10

between 2 layers of dura mater

Question 11

what is this part of the brainstem? lable the blood supply

Answer 11

Question 12

what is this part of the brainstem? lable the blood supply

Answer 12

Question 13

what is this part of the brainstem? lable the blood supply

Answer 13

Question 14

head sinuses drain into

Answer 14

IJV

Question 15

1 year mortality haemorrhagic stroke

Answer 15

60%

Question 16

MCA stroke functional deficits

Answer 16

Dominant hemisphere (left)
Global aphasia
Sensorimotor loss on contralateral face, upper limb and trunk
Non-dominant hemisphere (right)
Neglect syndrome

Question 17

ACA stroke functional deficits

Answer 17

Contralateral sensorimotor loss below waist
Urinary incontinence
Personality defects
Split-brain syndrome

Question 18

subdural haemotoma which vessels

Answer 18

bridging veins

Question 18

what sort of bleed is epidural haemoatoma

Answer 18

arterial (v quick)

Question 18

PCA stroke functional deficits

Answer 18

Contralateral homonymous hemianopsia
Reading and writing deficits
Impaired memory

Question 18

often first sign of TIA

Answer 18

amaurosis fugax

Question 18

how do recorgnise subarachnoid bleed on CT

Answer 18

bleed goes everywhere

Question 19

where does expansion of epidural haematoma stop

Answer 19

suture lines

Question 20

symptoms of subarachnoid haematoma onset

Answer 20

Severe headache (thunderclap)
Vomiting
Confusion
Lowered / fluctuating levels of consciousness

Question 21

ECG subarachnoid haemorrhage

Answer 21

looks like STEMI

Question 22

what happens to CSF in subarachnoid haematoma

Answer 22

xanthochromia - goes yellow because of bilirubin

Question 23

most common cause of subarachnoid hameorrage

Answer 23

ruptured berry aneurysms

Question 24

which sort of brain bleed often has a lucid period before rapid deterioration

Answer 24

epidural