PLETHYSMOGRAPHY, IMPEDANCE, TRANSTHORACIC
\plˌɛθɪsmˈɒɡɹəfi], \plˌɛθɪsmˈɒɡɹəfi], \p_l_ˌɛ_θ_ɪ_s_m_ˈɒ_ɡ_ɹ_ə_f_i]\
Definitions of PLETHYSMOGRAPHY, IMPEDANCE, TRANSTHORACIC
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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.
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