What is a Transcranial Doppler (TCD) Ultrasound?
TCD is a noninvasive and painless ultrasound technique that uses sound waves to evaluate blood flow (blood circulation) in and around the brain. There is no special contrast or radiation involved in the test.
Who should get this test?
Ultrasound of Transcranial Doppler is usually ordered by doctors if you have these indications:
- brain aneurysm
- Sickle cell anemia
- Ischemic stroke
- Intracranial stenosis
- Cerebral microemboli
- Patent Foramen Ovale
Is there radiation involved?
No. Unlike X-ray imaging, there is no ionizing radiation exposure associated with ultrasound imaging.
When will I receive my results?
Once completed, you will receive your results within 3-5 business days in your LabFinder portal.
How do I prepare? Do I need to fast?
Please refer to the simple preparation guidelines or consult with your doctor or radiology center where you are being treated. Do not forget to bring your LabFinder Order and Insurance Card to your appointment.