Blood Brain supply

Question 1

ACA supplies:

Answer 1

anterior frontal lobe, medial surface of frontal and parietal lobes

Question 2

Impairments if ACA is infarcted?

Answer 2

contra LE motor and sensory loss
Loss of bowel/bladder control
Sig mental changes
Neglect
Aphasia
Apraxia and agraphia
perseveration
Akinetic mutism with sig bilat involvement

Question 3

MCA Supplies

Answer 3

Most of outer cerebrum
Basal Ganglia
Posterior and anterior internal capsule
Putamen
Pallidum
Lentiform Nucleus

Question 4

Impairments if MCA is infarcted?

Answer 4

Wernicke’s Apashia in dominant hemisphere
Homonymous Hemianopsia
Apraxia
Flat affect with R hemisphere damage
Contra weakness and sensory loss of face and UE
Impaired spatial relations
anosognosia in non-dominant hemisphere
Impaired Body schema

Question 5

PCA Supplie:

Answer 5

portion of Midbrain
Subthalamic Nucleus
Thalamus
Inferior Temporal Lobe
Occipital and occipitoparietal cortices

Question 6

Impairments if PCA is infarcted?

Answer 6

contra Pain and temp loss
Contra hemiplegia, mild hemiparesis
Ataxia, athetosis or choreiform movement
quality of movement is impaired
thalamic pain syndrome
Anomia
Prosopagnosia with occipital infarct
Hemiballismus
Visual agnosia
memory impairment
Homonymous Hemianopsia
Alexia, dyslexia
Cortical blindess if Bilat involvement

Question 7

Vertebral-basilar artery supplies

Answer 7

Lateral Aspect of pons and midbrain with superior surface of cerebellum
Cerebellum– PICA, AICA, Superior cerebellar arteries
Medulla– PICA, smaller branches from vertebral arteries
Pons– branches from basilar artery
Midbrain and thalamus– posterior cerebral arteries
Occipital cortex: posterior cerebral artery, basilar artery