Course

PICA territory strokes — lateral medulla vs inferior cerebellum patterns and imaging (Advanced)

Advanced course: PICA strokes can affect the lateral medulla (Wallenberg pattern) and/or inferior cerebellum, causing dizziness, swallowing problems, and ataxia. Covers CT vs MRI detection and CTA/MRA vessel evaluation

FoundationsCaregiver, SurvivorAdvanced50 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Recognize PICA/lateral medullary symptom clusters
  • Understand why swallowing problems are a major safety issue
  • Understand CT limitations in posterior fossa ischemia and MRI DWI advantages
  • Know what questions to ask about CTA/MRA, swallow eval, and monitoring

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. Posterior circulation strokes can cause severe dizziness and swallowing problems.

Question 2

2. Best test for early posterior fossa ischemia is often…

Question 3

3. A key safety step is…