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Start Over Author "Chen, Rongqing" Topic apnea test
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2. Patterns of pulsatile impedance change during the apnea test detected by electrical impedance tomography

Author

Chen Rongqing, Krueger-Ziolek Sabine, Lovas András, Benyó Balázs, Bakos Péter, Chase J. Geoffrey, Rupitsch Stefan J., and Moeller Knut

Subjects
apnea test, brain death, electrical impedance tomography, intrathoracic pulsatile signal, Medicine
Abstract

The apnea test (AT) is a critical procedure in determining brain death. It temporarily disconnects the patient from the ventilator for 7 to 10 minutes. This study explores pulsatile Electrical Impedance Tomography (EIT) during AT in 10 patients suspected of brain death to discern physiological changes. Analysis revealed three distinct patterns of pulsatile EIT signal changes: increasing; fluctuating; and decreasing. These findings show the potential of pulsatile EIT monitoring to provide novel insight into cardio-pulmonary dynamics during AT.

Published
2024
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