Ultraschall in der Medizin : Organ der Deutschen Gesellschaft für Ultraschall in der Medizin, [der] Österreichischen Gesellschaft für Ultraschall in der Medizin, [der] Schweizerischen Gesellschaft für Ultraschall in Medizin und Biologie
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Transcranial Doppler sonography was used to asses time relation and characteristically changes in middle cerebral artery blood flow velocity before syncope during tilt table test in children. ⋯ Patients with neurocardiogenic syncope do have characteristically blood flow velocity changes of middle cerebral artery just before loosing consciousness. Transcranial Doppler is a usefully examination during tilt table. Clear transcranial Doppler results can help to prevent children from the impending syncope.