Surgery – Truss – Pad
Patent
1995-06-07
1996-11-05
Sykes, Angela D.
Surgery
Truss
Pad
128687, 128780, 128748, A61B 500
Patent
active
055706711
ABSTRACT:
A method for positioning an esophageal catheter for determining a pressure associated with the left atrium. As a bi-polar electrode is moved up the esophagus, an electrogram is obtained at each of a series of incremental depths. The length of the negative portion of the largest absolute value segment of the respective P wave is determined for at least one P wave in each of the incremental electrograms. The depth of the left atrium is selected to be that which corresponds to the incremental electrode depth at which the electrogram therefor shows the greatest negative portion length. A balloon for determining a pressure associated with the left atrium is positioned at the selected depth.
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Nasser Jr. Robert L.
Sykes Angela D.
The Research Foundation of State University of New York
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