STROKE-PRESENTATION, BASILAR ARTERY OCCLUSION

SUMMARY

ETIOLOGY
1. Thrombosis of the main artery, B/L vertebral arteries or unilateral dominant vertebral artery.
2. Emboli passing through the vertebrals usually lodge in the PCA.

SYNDROMES
3. Infarction of the MLF leads to internuclear opthalmoplegia & horizontal gaze palsy.
4. Infarction of the ventral pons leads to locked in syndrome (tetraplegia with retained ability to blink and move eyes vertically).

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].