目的探讨老年椎 基底动脉供血不足性眩晕患者眼震电图的改变及其临床意义。

Objective To explore the electronystagmography (ENG) changes and their clinical significance in aged patients with vertebro-basilar insufficiency (VBI).

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本文通过研究主动脉容积变化微分方程，导出了心阻抗图与心脏射血的非线性函数关系。

This paper derived a non-Linear function relationship between the cardiac impedance plethysmogram and the heart ejection by researching differential equation of the aortic volume change.

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目的：脑电图及脑电地形图对脑供血不足的应用价值。

Objective: Practical value of EEG/BEAM for blood shortage to brain.

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