[静电磁场中心电图触发的脑电图]。

EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete Pub Date : 1990-09-01

L von Klitzing

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引用次数: 0

摘要

在用于临床诊断的mrt设备的静态磁场中，每次心脏活动都会触发“自发”脑电图。所记录的信号的特点是电位在8到10/s的频率范围内振荡，大多数从较高的频率开始。这些采样的数据依赖于磁通矢量，但不是有规律的，与引线点无关。这些结果表明静磁场作用下脑电图电流由各向同性分布向各向异性分布转变。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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[ECG-triggered EEG in a static magnetic field].

In static magnetic fields as used in MRT-equipment for clinical diagnosis the "spontaneous" EEG is triggered by each heart activity. The registered signal is characterized by an oscillation of potentials in the frequency range of 8 to 10/s, mostly beginning with the higher frequency. These data sampled are dependent of the magnetic flux vector, but not regularly and independent of the point of lead. These results point to a transition from the isotropic distribution of EEG-currents to an anisotropic state by static magnetic fields.

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EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete

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