Resumo

GARCIA, X. et al. Estimating cardiac output: Utility in the clinical practice. Available invasive and non-invasive monitoring. Med. Intensiva [online]. 2011, vol.35, n.9, pp.552-561. ISSN 0210-5691.

This aim of this review is to provide a detailed review of the physiologic conditions and variables of the cardiac output, as well as review the different techniques available for its measurement. We also want to establish the clinical situations in which the measurement of cardiac output can add valuable information for the management of critically ill patients. The Fick technique, used in the beginning to calculate cardiac output, has been replaced today by thermodilution techniques (transcardiac or transpulmonary), lithium dilution, bioreactance, Doppler technique or echocardiography. Pulse wave analysis allows a continuous minimally invasive cardiac output measurement. Other methods, such bioreactance, Doppler technique or echocardiography currently provide a valid, fast and non-invasive measurement of cardiac output.

Palavras-chave : Cardiac output; Hemodynamic monitoring.

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