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What Is a Transcranial Doppler (TCD) and Why It Matters

Transcranial Doppler (TCD) is a powerful, non-invasive ultrasound technique used to assess blood flow within the brain—especially through the vessels of the Circle of Willis. In this video, I explain what a TCD is, why it's performed, how ultrasound plays a role, and what vasospasm means in a clinical context.

Whether you're a sonographer, student, or just curious about neurovascular imaging, this video will give you a clear, practical overview of one of the most specialized vascular exams.

If you haven’t already, check out my video on the Circle of Willis for a deeper understanding of the anatomy involved:
🔗    • Circle of Willis Explained by a Sonographe...  

If you're preparing for a registry exam, check out my books:
"Registry Ready in 10 Days" – for all ultrasound boards
"RVT in 10 Days" – focused prep for the vascular credential

Both are available here: https://www.path2passing.com

#TranscranialDoppler #TCDUltrasound #CircleOfWillis #SonographyEducation #RVTExam