RHEOENCEPHALOGRAPHY: THE JURY IS STILL OUT.

B. Shender, S. Dubin, L. Hrebien, O. Barnea, F. Kepics

Research output: Contribution to conferencePaperpeer-review

Abstract

Impairment of vision and consciousness under gravitational stress in the footward direction ( plus Gz) has been attributed primarily to interruption of blood flow. During the initial phase of plus Gz, the volume of blood available to neural tissues is also a significant factor, because of the oxygen buffering function of hemoglobin. The rheoencephalogram (REG) reflects changes in cephalic blood volume and is convenient, noninvasive and nonintrusive. Some of the drawbacks previously perceived for the REG as a clinical diagnostic modality have been rectified by technical innovation, while others have proved not to be of concern. The antifact seen with position changes and respiratory maneuvers may actually be a source of useful information in the context of plus Gz studies.

Original languageEnglish
Pages422-425
Number of pages4
StatePublished - 1987

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