Physiologic and Clinical Principles behind Noninvasive Resuscitation Techniques and Cardiac Output Monitoring

<table>Characteristic waveforms for thoracic bioimpedance monitoring. Product photographs reprinted with permission from SonoSite; _electrical and mechanical change in impedance over change in time.  Trademarks and logos are trademarks owned by SonoSite, Inc. PEP: preejection period, LVET: left ventricular ejection time,<i> ΔZ</i>: change in impedance, <i>dZ/dt</i>: 1st derivative of impedance waveform.</table>

Cardiology Research and Practice

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Figure 3

Figure 3: Physiologic and Clinical Principles behind Noninvasive Resuscitation Techniques and Cardiac Output Monitoring 