Course

Detecting small hemorrhages — CT vs MRI (SWI), ‘trace SAH’, and why repeat scans happen (Advanced)

Advanced course: how imaging detects small bleeds, what ‘trace subarachnoid hemorrhage’ can mean, why MRI SWI helps, and why clinicians sometimes repeat imaging to confirm stability

FoundationsCaregiver, SurvivorAdvanced25 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand why tiny bleeds can be hard to see
  • Know the roles of non-contrast CT vs MRI SWI/GRE
  • Understand why repeat imaging may be ordered to check stability
  • Ask what the finding changes in monitoring and medication decisions

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. MRI SWI/GRE sequences can help detect small blood products not always obvious on CT.

Question 2

2. First-line test for acute bleeding is often…

Question 3

3. A key question is…