Course

Vertebrobasilar (posterior circulation) strokes — why symptoms can be missed and how they’re detected (Advanced)

Advanced course: posterior circulation strokes can present with dizziness, double vision, and imbalance and may be missed early. Learn detection strategy (CTA/MRA/MRI) and red flags

FoundationsCaregiver, SurvivorAdvanced25 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Recognize posterior circulation stroke red flags
  • Understand why early imaging can be challenging in the posterior fossa
  • Know which tests are used (CTA/MRA/MRI) and why
  • Ask targeted questions about monitoring and repeat imaging

Practice check

Check your understanding

A few untimed questions. Pick an answer to see instant feedback, then continue to the next lesson.

0 of 3 answered

Question 1

1. Severe dizziness plus double vision or inability to walk can be a posterior circulation stroke.

Question 2

2. A detection tool is…

Question 3

3. A key question is…