The Color Doppler- Head test is done to check the blood flow in one’s brain and how the vessels in it are affected. Any narrowing or blockages can increase the risk of stroke in adults.
What is Color Doppler- Head?
The Color Doppler- Head test, also known as Transcranial Doppler test is an ultrasound procedure that is done to check the blood flow in your brain.
The Color Doppler- Head makes use of sound waves to determine any blockages or narrowing in the blood vessels of the brain. The diagnosis can reveal the potential risk of stroke in adults and sickle cell disease in children.
A radiologist may recommend Color Doppler- Head test if the blood flow in the brain is affected by conditions like stenosis and vasospasm. 
How is Color Doppler- Head performed?
The Color Doppler- Head test is performed in the following way:
- The patient is asked to sit in an examination chair or lie on their back in an examination table.
- A clear gel is applied on the back of their neck, around the cheekbone, and in front of the ear and eyelids.
- For children, the gel is applied to the top of their head.
- These areas are pressed with a transducer by a sonographer to capture images. 
The procedure takes about 15-30 minutes to complete.
Side effects/risks of Color Doppler- Head
There are no risks involved with Color Doppler- Head test as it doesn’t use any harmful radiation and is non-invasive in nature.
Preparation before performing Color Doppler- Head
Following steps must be followed to prepare for a Color Doppler- Head test:
- The patient shouldn’t smoke for at least 30 minutes to two hours before the test.
- Wear comfortable and loose clothing for the examination. 
Post-care after Color Doppler- Head
One can resume normal activities after their Color Doppler- Head procedure.
You can find a sonographer for Color Doppler- Head test with a click on Mfine. Download the Mfine app and consult sonographers online.