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Canadian Journal of Anesthesia, Vol 27, 481-484, Copyright © 1980 by Canadian Anesthesiologists' Society

Considerations On Impedance Cardiography

PIERRE CASTHÉLY 1, SIVAM RAMANATHAN 1, and JACK CHALON 1

1 Department of Anesthesiology, New York University Medical Center, 550 First Avenue, New York, New York 10016

Impedance cardiography is an electronic plethysmographic technique which provides information on cardiac stroke index, myocardial performance, thoracic fluid content and peripheral circulation. The method has gained popularity in recent years because it is not invasive. While less precise in absolute terms than invasive methods the results are reproducible, and the technique accurately assesses variations in measurements. It may be used in most anaesthetized patients without the possibility of any of the complications which sometime accompany the use of more precise invasive methods.

This paper describes impedance cardiography and methods for its use.






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Copyright © 1980 by the Canadian Anesthesiologists' Society.