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Transcranial Doppler

Transcranial Doppler (TCD) is a test that measures the velocity of blood flow through the brain's blood vessels. Used to help in the diagnosis of emboli, stenosis, vasospasm from a subarachnoid hemorrhage (bleeding from a ruptured aneurysm), and other problems, this relatively quick and inexpensive test is growing in popularity in the United States.

The equipment used for these tests is becoming increasingly portable, making it possible for a clinician to travel to a hospital, doctor's office or nursing home for both inpatient and outpatient studies. It is often used in conjunction with other tests such as MRI, MRA, carotid duplex ultrasound and CT scans.

Two methods of recording may be used for this procedure. The first uses "B-mode" imaging, which displays a two-dimensional image as seen by the ultrasound probe. Once the desired blood vessel is found, blood-flow velocities may be measured with a pulsed doppler probe, which graphs velocities over time. Together, these make a duplex test. The second method of recording uses only the second probe function, relying instead on the training and experience of the clinician in finding the correct vessels.

Westchester Medical Center
100 Woods Road
Valhalla, NY 10595
914.493.7000
   
       
Hawthorne
19 Bradhurst Avenue, Suite 3750
Hawthorne, NY 10532
914.909.6835
    Mount Kisco
103 South Bedford Road, Suite 207
Mount Kisco, NY 10549
914.241.3204
       
New Windsor Division
575 Hudson Valley Avenue, Suite 200
New Windsor, NY 12553
845.561.2773
    White Plains
15 North Broadway
White Plains, NY 10601
914.593.1234

Vascular Surgery and Laser Vein Center

Please contact us at 877.WMC.VEIN or 877.962.8346.

Babu, Sateesh
Babu, Sateesh
Chief, Vascular Surgery
Vascular Surgery
Laskowski, Igor
Laskowski, Igor
Chief, Endovascular Surgery
Vascular Surgery
Carroll, Francis X.
Thoracic Surgery
Vascular Surgery
Goyal, Arun
Vascular Surgery
Mateo, Romeo B.
Vascular Surgery
Shah, Pravin M.
Vascular Surgery
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