Definition: A non-invasive technique using ultrasound for the measurement of cerebrovascular hemodynamics, particularly cerebral blood flow velocity and cerebral collateral flow. With a high-intensity, low-frequency pulse probe, the intracranial arteries may be studied transtemporally, transorbitally, or from below the foramen magnum.
/drug eff /rad eff permitted; do not use /util except by MeSH definition; DF: ULTRASONOGR DOPPLER TRANSCRANIAL
