Course

Transcranial Doppler (TCD) testing — what it measures and why it’s used (Advanced)

Advanced course: understand transcranial Doppler ultrasound—blood flow velocity, microemboli detection, and how it can support PFO/shunt evaluation or vasospasm monitoring in some settings

FoundationsCaregiver, SurvivorAdvanced20 minPlain (6–8)

Educational only

Educational only — not medical advice.

What you'll learn

  • Understand what TCD measures in brain blood flow
  • Know why it may be used in selected stroke evaluations
  • Recognize what results may lead to next (more imaging, cardiology workup)
  • Ask informed questions about what it means for your plan

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. TCD uses ultrasound to estimate blood flow in brain arteries.

Question 2

2. TCD can sometimes help detect…

Question 3

3. A good question is…