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Review the fundamental principles, physiological origins of impedance changes, and comparative accuracy of impedance cardiography for measuring stroke volume and cardiac output.

March 1, 1989IEEE Engineering in Medicine and Biology Magazine

Fundamentals of impedance cardiography

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Review the fundamental principles, physiological origins of impedance changes, and comparative accuracy of impedance cardiography for measuring stroke volume and cardiac output.
Evaluated the standard impedance technique employing thoracic band electrodes and systolic impedance waveform extrapolation.
Synthesized physiological origin investigations and comparative assessments against alternative cardiac output measurement systems.
Impedance cardiography exhibits strong qualitative correlation with alternative cardiac output measurement systems when evaluated in select, relatively healthy populations.
Studies investigating the physiological source of thoracic impedance waveforms yield conflicting findings regarding the exact regional or organ-level contributions.

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Implication

Review reveals impedance cardiography correlates well with standard cardiac output measures in healthy populations, indicating a need to clarify thoracic source contributions.

Cite This Study

Robert Patterson (1989) studied this question.

synapsesocial.com/papers/6a7e235c27066cb157e7f20e https://doi.org/10.1109/51.32403

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Implication

Review reveals impedance cardiography correlates well with standard cardiac output measures in healthy populations, indicating a need to clarify thoracic source contributions.

Fundamentals of impedance cardiography

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Fundamentals of impedance cardiography

Key Points

Discussion

Implication

Cite This Study

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