What can transcranial Doppler ultrasound examine?

Transcranial Doppler ultrasound examination can observe the blood vessels in the brain, and can also judge the speed, direction and elasticity of blood vessel walls. It can be used to diagnose cerebral vessels, cerebral infarction, cerebral hemorrhage, brain trauma, brain tumor, etc. There is no pain in the examination process, so it is also a commonly used examination method in neurology.