Course

MRI DWI vs FLAIR — how early ischemic stroke is detected and what ‘mismatch’ means (Advanced)

Advanced course: DWI detects early ischemic injury; FLAIR evolves later. Learn what DWI/FLAIR mismatch means in plain language and how MRI helps estimate timing and guide treatment decisions

FoundationsCaregiver, SurvivorAdvanced25 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand what DWI and FLAIR sequences detect
  • Explain DWI/FLAIR mismatch as a timing clue
  • Understand why this matters for treatment windows
  • Ask questions about imaging interpretation and next steps

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. DWI can show ischemic injury earlier than FLAIR in many cases.

Question 2

2. Mismatch often suggests…

Question 3

3. A good question is…