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Transcranial Doppler Ultrasound
WHAT YOU NEED TO KNOW:
Transcranial Doppler (TCD) ultrasound is a test that uses sound waves to measure blood flow in your brain. It shows the speed and direction of blood through the blood vessels in your brain. It may also show how the blood vessels react to medicines or position changes. Your healthcare provider may use this test to learn if you are at risk for a stroke. TCD may reveal blood clots or areas of your brain that need more oxygen. TCD may also show narrowed blood vessels, injury, or internal bleeding in your brain. This test may help find and prevent serious health problems, or monitor how well other treatments are working for you.
Follow up with your healthcare provider or neurologist as directed:
Ask to see the results of your test at your visit. Write down your questions so you remember to ask them during your visits. Keep all appointments for any other tests you may need.
Contact your healthcare provider or neurologist if:
- You have new or worsening signs or symptoms.
- You have questions or concerns about your condition or care.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.