Course

Dural arteriovenous fistula (dAVF) — pulsatile tinnitus, hemorrhage risk, and angiography (Advanced)

Advanced course: dural AV fistulas are abnormal connections in the dura that can cause pulsatile tinnitus and, in some patterns, hemorrhage risk. Learn symptom clues, why MRI/MRA/CTA may suggest it, and why DSA is often definitive

FoundationsCaregiver, SurvivorAdvanced55 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand dAVF as abnormal dural artery-to-vein connection
  • Recognize pulsatile tinnitus/headache/seizure as possible clues
  • Understand CTA/MRA vs DSA roles in diagnosis
  • Ask questions about hemorrhage risk and follow-up 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. Some vascular malformations require catheter angiography (DSA) for definitive diagnosis.

Question 2

2. A symptom sometimes associated with dAVF is…

Question 3

3. DSA is used to…