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Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Electrical impedance images of the chest of a dog were made while ventilating the lung unilaterally using a tracheal divider. Admittivity of the lungs decreased with inspiration only on the ventilated side, to an extent proportional to tidal volume. During breatholding, a Swan-Ganz catheter balloon was inflated in a major branch of the pulmonary artery, diverting flow from a substantial pulmonary segment. The phasic admittivity signal in one region of interest in the chest image increaseddoi:10.1109/iembs.1996.651973 fatcat:nznlh4uqbjaazbsi6a3eqqa6uy