Esophageal Electrocardiography

Recording the bundle of His potential using an esophageal electrode.

Lukoshiavichiute AI, Grutsite VR, Kasparavichius IIa. Kardiologiia 1986 Jun;26(6):34-8. A noninvasive method for recording His bundle potential is reported that includes amplification of ECG in bipolar esophagosternal leads. A total of 106 patients were examined, with the His potential recorded in 78 (73.6%) of those. The method was validated by simultaneously recorded intracardiac electrograms in 6 patients and by atrial pacing in 3 patients. The advantages and limitations of this method are discussed.

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