How does Transcranial Doppler (TCD) work?

During Transcranial Doppler (TCD) ultrasound, a hand-held wand called a transducer is moved over the skin near your temple. The transducer emits sound waves that then bounce off blood cells and are picked up again by the transducer. A computer interprets these sound-wave signals. TCD can provide your physician with information about the speed of blood flow in the brain. To assess stroke risk, the TCD technician or nurse may pass the wand over the carotid arteries (arteries in the neck) and arteries at the base of the brain

Continue Learning about Diagnostic Ultrasonography

What is Transcranial Doppler (TCD)?
Transcranial Doppler (TCD) is a form of ultrasound. You may already be familiar with ultrasound ...
More Answers
What are the alternate names for carotid ultrasound?
Piedmont Heart InstitutePiedmont Heart Institute
Alternate names for carotid ultrasound are as follows:Doppler ultrasound Carotid duplex ultrasoundTh...
More Answers
What is a fetal ultrasound?
Fetal ultrasound is a safe, painless imaging test that is performed during pregnancy to create and v...
More Answers
What is endoscopic ultrasound (EUS)?
Southern Hills HospitalSouthern Hills Hospital
Endoscopic ultrasound allows medical professionals to image organs in real time and identify patholo...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.