PMID: 6169021May 1, 1981Paper

Catheter induced distal intra-Hisian right bundle branch block in a patient with persistent proximal intra-Hisian complete A-V block

Pacing and Clinical Electrophysiology : PACE
P SantarelliP Zecchi

Abstract

We describe a patient with complete intra-Hisian A-V block and narrow QRS who developed catheter-induced right bundle branch block during an electrophysiological study. Selective His bundle pacing was performed during complete intra-Hisian A-V block and right bundle branch block pattern; the distal His bundle pacing normalized the QRS complex, while a more proximal His bundle stimulation showed a right bundle branch block configuration with the persistence of the proximal intra-Hisian lesion responsible for the complete A-V block. These electrophysiological findings suggest that the catheter-induced right bundle branch block in our patient was due to a focal lesion in the distal part of the main His bundle. To our knowledge, this is the first report of documented multilevel lesions within the His bundle in man.

References

Jul 1, 1979·Southern Medical Journal·R K Mautner, J H Phillips
Jan 1, 1978·Journal of Electrocardiology·P Schweitzer, H Mark
Dec 1, 1976·Circulation·B D KosowskyA M Radoff
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Jan 1, 1969·Circulation·B J ScherlagA N Damato

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Citations

May 1, 1982·Pacing and Clinical Electrophysiology : PACE·B ElencwajgA Castellanos

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