Carotid Doppler

   1. Purpose of Test

Carotid Doppler studies are used to demonstrate blocked or reduced blood flow in the arteries of the neck that could cause stroke. This test is also used to evaluate symptoms of dizziness, vision changes and loss of balance that may be caused by impeded or restricted blood flow through these vessels.

   2. What to expect during procedure

The room is usually darkened for the exam. A gel is applied to the neck area to provide good contact for the handheld transducer. The transducer is placed on the neck and sound is sent into the body and is reflected off arteries and returned to the transducer. The echoes are converted electronically into images of the arteries that can be seen on a monitor. These images are recorded on paper or film. With Doppler and Color Doppler the sound waves reflected from the blood cells are converted to audible sounds that can be heard during the exam. Color is used to represent the blood flow in the artery and the speed and direction of the flow are assessed by the physician. This procedure takes approximately 45 minutes.

   3. How to prepare for test

None Necessary.

   4. When results will be available

Results are available for interpretation as soon as the examination is completed.