AIM:To probe into the value of magnetic resonance angiography(MRA) in aetiological diagnosis of vertigo,and compare its value with that of transcranial Doppler(TCD) and brainstem auditory evoked potential(BAEP).

• 目的:探讨磁共振血管造影(MRA)在眩晕病患者病因诊断中的应用价值,并与经颅多普勒超声(TCD)、脑干听觉诱发电位(BAEP)进行比较分析。