AIM: To investigate the hemodynamic types of cervical vertigo (CV) patients wi th transcranial Dopper(TCD), and find the evidence of hemodynamic difference.

• 目的:应用经颅多普勒(transcranialDoppler,TCD)对颈性眩晕患者血流动力学进行分型,寻找各型血流动力学差异的依据。