Course

Detecting aneurysm/AVM after hemorrhage — CTA/MRA/DSA pathway and what ‘underlying lesion’ means (Advanced)

Advanced course: after hemorrhage (SAH or lobar ICH), clinicians may look for aneurysm/AVM or other vascular lesions. Learn CTA vs MRA vs catheter angiography (DSA), why timing matters, and what results change

FoundationsCaregiver, SurvivorAdvanced50 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand why hemorrhage triggers a search for vascular lesions
  • Compare CTA, MRA, and DSA at a high level
  • Understand why repeat imaging may be done after blood clears
  • Ask high-yield questions about what a finding changes and what follow-up is needed

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. After some hemorrhages, clinicians may search for an underlying vascular cause like an aneurysm or AVM.

Question 2

2. DSA refers to…

Question 3

3. A key question is…