Neuro

Question 1

What is stroke?

Answer 1

infarction or bleeding in the brain manifests as rapid neurological deficit

Question 2

From what do ischaemic strokes typically arise from?

Answer 2

AF, infective endocarditis, caroti atherosclerosis

Occlusion - embolism

Question 3

From what do haemorrhagic strokes typically arise from?

Answer 3

Hypertension

Bleeds from brain vasculature

Question 4

What does the external carotid artery supply?

Answer 4

Head and neck

Question 5

What does the internal carotid artery supply?

Answer 5

Brain

Question 6

What does the anterior cerebral artery supply?

Answer 6

MOTOR CORTEX & top of brain

LOWER LIMBS AFFECTED

Question 7

What does the middle cerebral artery supply?

Answer 7

Outer surface
Arms»Legs
Affects chin to hip
Embolic may be limb sparing

Question 8

What does the PCS supply?

Answer 8

Peripheral vision

Question 9

What %age of stroke is ischaemic?

Answer 9

80%

Question 10

How does an ACA stroke present?

Answer 10

Leg weakness
Decreased leg sensation
Gait apraxia
Truncal ataxia
Incontinence
Drowsiness
Akinetic mutism

Question 11

How does an MCA present?

Answer 11

Contralateral arm and leg weakness
Contralateral sensory loss
Hemianopia
Aphasia
Dysphasia
Facial Drop

Question 12

How does a PCA present?

Answer 12

Contralateral homonymous hemianopia
Cortical blindness
Visual agnosia
Prosopagnosia
Colour naming & discriminate problems
Unilateral headache

Question 13

How does a posterior circulation terretory (vertebrobasilar) stroke present?

Answer 13

Catastrophic
Likely ‘locked in’
Motor deficits
Dysarthia