Vidhani S. Goel

Abstract Passive leg raising (PLR) is commonly used to assess fluid responsiveness in critically ill patients. Transthoracic echocardiography is frequently used to measure stroke volume changes during PLR but requires operator expertise and adequate image acquisition. Bioreactance-based monitoring offers a noninvasive and continuous alternative; however, agreement between bioreactance-derived and echocardiography-derived assessments of fluid responsiveness remains uncertain.

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