Vascular supply (Circle of Willis) US Medical PG Flashcards - Medical Study Cards
Master Vascular supply (Circle of Willis) with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Vascular supply (Circle of Willis) Flashcard Deck - 10 Cards
Flashcard 1: anterior communicating artery
Answer: cranial nerves
Extra: visual field defects
Flashcard 2: posterior communicating artery
Answer: CN 3
Extra: eye externally and inferiorly rotated, ptosis, pupil dilation
Flashcard 3: Where do saccular "berry" aneurysms tend to occur?
Answer: bifurcations in Circle of Willis; especially anterior and posterior communicating arteries
Flashcard 4: number 3
Answer: posterior spinal arteries
Flashcard 5: number 9
Answer: anterior spinal artery
Flashcard 6: anterior cerebral artery (ACA)
Answer: medial motor cortex, medial sensory cortex
Extra: leg paralysis and sensory loss
Flashcard 7: aneurysm
Answer: abnormal dilation of artery due to weakening of vessel wall
Flashcard 8: anterior inferior cerebellar artery (AICA)
Answer: lateral pons, cerebellar peduncles
Extra: vomiting, vertigo, nystagmus, facial paralysis, facial sensory loss, Horner's syndrome, ataxia, dysmetria
decreased: lacrimation, taste, corneal reflex, hearing
Flashcard 9: berry aneurysm
Answer: congenital defect in vessel wall at bifurcation
Extra: bitemporal hemianopsia ADPKD, Ehlers-Danlos syndrome, Marfan's syndrome, HTN, smoking, advanced age black race subarachnoid hemmorhage (rupture)
Flashcard 10: posterior cerebral artery
Answer: posterior and inferior surfaces
Extra: blue region
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