Transcranial Doppler (TCD)
A transcranial doppler test (TCD) uses ultrasound waves to measure the blood flow rate in the main (cerebral) arteries of the brain. It helps detect blockages, narrowing or spasms of the arteries. The exam does not involve the use of needles or injections. TCD is done in the Vascular Lab and takes about an hour.
Contact
For more information regarding this test, please contact the Vascular Lab at 312-926-2746.
Last UpdateMarch 15, 2011
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