The provider performs an ultrasound of the arteries inside the head using Doppler technique to study the flow and speed of blood through the arteries. He performs the procedure to assess blood flow to the brain. Providers may order the test to determine whether there is an artery occlusion or stenosis that could result in cerebrovascular diseases such as stroke and brain hemorrhages. Providers also may order the test as a screening study for children with particular conditions, such as sickle cell anemia.
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