posterior circulation of brain - arjansachdeva

[ArchivalUser]

can anybody explain what will happen when the PICA get thrombus and stroke consequences ?? nto able to memorize the area supplied by this

[ArchivalUser]

lateral medullary or wallenburg syndrome

[ArchivalUser]

for posterior circulation strokes, memorizing the cranial nerves affected will help.
1) ASA- ipsilateral tongue deviation
2)PICA- hoarseness( nucleus ambiguus- CN X)
3) AICA- decreased/absent corneal reflex( CN III)
4) PCA- contralateral homonynous hemianopia with macular sparing
5) Basilar- Locked-in syndrome

[ArchivalUser]

AICA....> lat.pontine syndrom. ....> damage to vestibullar nuclei , principle sensory nucleus of trigeminal n ,facial nucleus ,cochlear nucleus ,contralat pain and tem of limbs and trunk.