Cerebral Arteries Flashcards
Where are the watershed areas of the brain?
Between 1. ACA and MCA
- PCA and MCA
Wedge shaped infarc in a patient who is hypoxic?
Infarc to watershed areas
Contralateral paralysis and loss of sensation of the lower limb?
ACA
Contralateral paralysis and loss of sensation of the Upper limb and Aphasia?
MCA
A patient with unmanaged HTN that has contralaleral hemiparesis?
Lenticulostriate artery
Contralateral hemiparesis+ipsilateral hypoglossal dysfunction
Medial Medullary Syndrome=>ASA
Decreased Pain and Temp on the ipsilateral face and contralateral body
Decreased Gag reflex, dysphagia, hoarseness and ipsilateral horner’s syndrome?
Lateral Medullary (Wallenberg) syndrome PICA “Don’t PICA Horse that can’t eat”
Paralysis of the face and decreased lacrimation and salivation
Lateral Pontine Syndrome AICA Facial Droop means AICA’s pooped
Contralateral Hemianopia with macular sparing?
PCA
Loss of everything except eyes (Locked in syndrome)
Basilar Artery
Aneurysm of Anterior Communicating=> Symptoms?
Visual Field Defects via compression of optic chiasm
Complication of Anterior Commucating
Subarachnoid hemmorhage
CN3 palsy with an aneursym?
Posterior Communicating
Cerebral Perfusion is primarily driven by; In severe situations what takes over?
Pco2 PO2
CPP?
CPP=MAP-ICP