The Laryngoscope
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Either licensed American chiropractors or traditional Chinese herbalists may produce vertiginous attack in a patient after cervical manipulation. The purpose of the study was to present our experience in treating these patients to determine the risk of this procedure. ⋯ When there are multiple central signs in electronystagmography results or slow blood flow of the vertebral artery is displayed in neck on Doppler sonography or magnetic resonance angiography scan, the therapeutic benefits of cervical manipulation cannot be expected to outweigh its potential risk for the morbidity of cervical vessels.