Objective: To study the diagnostic values of electronystagmography(ENG), blink refiex (BR),brainstem auditory evoked potentials (BAEP) and regional cerebral blood flow (rCBF) in vertebrobasilax artery ischemia (VBI).

• 目的：探讨眼震电图（ENG）、脑干听觉诱发电位（BAEP）、瞬目反射（BR）及脑局部血流量（rCBF）对椎基底动脉供血不足（VBI）的诊断价值。