transcranial Doppler ultrasonography

transcranial Doppler ultrasonography
a form of Doppler ultrasonography in which pulses of ultrasound are directed at vascular formations in the base of the skull, allowing measurements of blood flow velocity in the major basal intracranial arteries on a real time basis.

Transcranial Doppler ultrasonographic image of left middle cerebral artery after subarachnoid hemorrhage, showing elevated flow velocities consistent with vasospasm.


Medical dictionary. 2011.

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