Course

RCVS (reversible cerebral vasoconstriction syndrome) — thunderclap headache, hemorrhage/ischemia patterns, and CTA/MRA (Advanced)

Advanced course: RCVS can cause thunderclap headaches and lead to cortical SAH or ischemic strokes. Learn what it looks like, why vessel imaging (CTA/MRA) may show ‘beading’, and why repeat imaging can be needed

FoundationsCaregiver, SurvivorAdvanced55 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand RCVS as transient narrowing of brain arteries (high-level)
  • Recognize thunderclap headache as an emergency symptom
  • Understand how CTA/MRA and sometimes repeat imaging help diagnosis
  • Know how RCVS relates to both hemorrhage and ischemia patterns

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. Thunderclap headache always requires urgent evaluation to rule out dangerous causes.

Question 2

2. In RCVS, CTA/MRA may show…

Question 3

3. Repeat imaging may be needed because…