What can you expect during a Transcranial Doppler?ĭuring a Transcranial Doppler test, a specially trained technologist will perform the procedure while a board-certified radiologist or neurologist will interpret the results. Stroke risk in adults and children with sickle cell anemia: The altered shape of blood cells in sickle cell anemia can lead to blood clots and blocked blood vessels, increasing the risk of stroke.Cerebral microemboli: These are small blood clots that travel through the bloodstream and cause a transient ischemic attack (mini stroke).Stenosis in brain arteries: This is a narrowing or blockage of a section of an artery, typically due to atherosclerosis, which is the hardening of the arteries.Vasospasm: This is the narrowing of a section of a blood vessel due to contraction, which can be a reaction to a brain bleed, such as a subarachnoid hemorrhage or brain aneurysm rupture.Acute ischemic stroke: This occurs when a blood clot develops in a blood vessel in the brain, reducing or cutting off oxygen-rich blood flow to the brain.Transcranial Doppler ultrasound is a diagnostic tool used to assess blood flow in the brain and is useful in diagnosing or monitoring several medical conditions, including: Why is a Transcranial Doppler Ultrasound performed? If you are taking any medications, be sure to inform your healthcare provider before the test. It’s also recommended that you wear comfortable clothing that allows easy access to your head and neck area. You should also avoid wearing any jewelry or accessories around your neck, as this may interfere with the ultrasound waves. However, you should avoid consuming caffeine and smoking for at least two hours before the test, as both can cause temporary changes in blood flow that may affect the results of the test. Preparing for a Transcranial Doppler Ultrasound (TCD) is relatively easy and requires no special preparation. How do you prepare for a Transcranial Doppler Ultrasound? The procedure is non-invasive, safe, and does not involve any radiation exposure, making it an effective tool for diagnosing brain-related conditions. ![]() The test is useful in detecting various conditions that affect blood flow in the brain, such as stroke caused by blood clots, narrowed sections of blood vessels, vasospasm resulting from a subarachnoid hemorrhage, and tiny blood clots, among others. What is a Transcranial Doppler Ultrasound?Ī Transcranial Doppler Ultrasound, also known as TCD, is a diagnostic test that uses ultrasound waves to evaluate blood flow in the brain. Postural Orthostatic Tachycardia Syndrome (POTS).
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