Course

CT perfusion (CTP) in acute stroke — penumbra, core, and treatment decisions (Advanced)

Advanced course explaining CT perfusion imaging: what ‘core’ vs ‘penumbra’ means, why it’s used in stroke triage, and what questions to ask about eligibility for acute treatments

FoundationsCaregiver, SurvivorAdvanced20 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand what CT perfusion measures in acute stroke
  • Define core vs penumbra in plain language
  • Know how CTP can influence acute treatment decisions
  • Ask informed questions about results 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. CT perfusion helps estimate brain tissue at risk versus already injured.

Question 2

2. Penumbra means…

Question 3

3. A good question is…