Blood supply of Brainstem

Question 1

بسم الله الرحمن الرحيم وبه نستعين
describe vertebral art in brainstem

Answer 1

we know vertebral artery gives anterior spinal and post inferior cerebellar artery unting with the other forming basilar artery
then moves int the Median basilar suclus in pons giving ponitne branches + Anterior inferio cerebellar arteries
then end by giving 2 posterior cerebral arterires

Question 2

Mention Blood supply of Medulla oblongata

Answer 2

Anterior spinal for medial side medial to hypoglossal
Posterio spinal for posterior part
Vertebral giving medullary branches for intermidus
Posterior inferior cerebellar artery for lateral side !PICAAAAA!

Question 3

What are consequnces of PICA occulsion
Postreior inferior cerebellar arteries

Answer 3

lateral Medullay syndrom!
Horner syndrome due to sympathic descending fibers damaged
Lost Taste sensation from NS
Ipsilateral paralysis of palate pharynx larynx due to NA Damaged

Ipsilateral loss of pain and temperature from spinal nucleus of Trigimnal
Contralateral loss of pain and temp due to damadged spinal Leminscus
Cerebellar ataxis due to damaged spino cerebellar tract and ICP

Question 4

occluded anterior spinal artery leads to?

Answer 4

Medial Medullay syndrome !!!
________________________
Ipislateral Tongue palsy due to hypoglossal nucleus damage patient can deviate tongue to the affected side

Contralateral Hemiplegia
Contralateral loss of Propricepton due to medial lemiscus damaged

Question 5

Blood supply of PONS

Answer 5

BasIlar Artery Pontine Branches

Question 6

Pontine Hge leads to ?

Answer 6

POOOOOONTINE Hge leads to ?
Pinpoint pupil
Hyperpyrexia
quadriplegia

Question 7

Blood supply of MidBrain !

Answer 7

posterior cerebral from basilar
Superior cerebellar arteries

Question 8

الحمدلله رب العالمين