这个词是什么意思？
A type of impedance plethysmography in which bioelectrical impedance is measured between electrodes positioned around the neck and around the lower thorax. It is used principally to calculate stroke volume and cardiac volume, but it is also related to myocardial contractility, thoracic fluid content, and circulation to the extremities.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002307 · MeSH 2026。
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