ULTRASONOGRAPHY, DOPPLER, TRANSCRANIAL
\ˌʊltɹɐsənˈɒɡɹəfi], \ˌʊltɹɐsənˈɒɡɹəfi], \ˌʊ_l_t_ɹ_ɐ_s_ə_n_ˈɒ_ɡ_ɹ_ə_f_i]\
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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.
By DataStellar Co., Ltd