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Cardiography, Impedance

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Definition: 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.  NIM; /drug eff /rad eff permitted; do not use /util except by MeSH definition; DF: CARDIOGR IMPEDANCE    Other names Plethysmography, Impedance, Transthoracic; Impedance, Transthoracic; Transthoracic Impedances; Transthoracic Impedance Plethysmographies; Transthoracic Impedance; Plethysmographies, Transthoracic Impedance; Impedances, Transthoracic; Impedance Plethysmographies, Transthoracic; Impedance Cardiographies; Cardiographies, Impedance; Transthoracic Impedance Plethysmography; Plethysmography, Transthoracic Impedance; Impedance Plethysmography, Transthoracic; Impedance Cardiography

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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