Transverse Dissociation of the Human His Bundle

“Completed” and “abor tive” alternating Wenckebach periods occurred in a symptomatic female with calcification of the mi tral annulus, These arrhythmias were attributed to transverse dissociation of the His bundle into two horizontal levels “connected in series,” with 2:1 block in the “distal” level...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 1982-05, Vol.5 (3), p.323-328
Main Authors: ELENCWAJG, BENJAMIN, ZAMAN, LIAQAT, ROZANSKI, JOHN J., MYERBURG, ROBERT J., CASTELLANOS, AGUSTIN
Format: Article
Language:English
Subjects:
"split" H deflection
alternating Wenckebach periods
AV block
Bundle of His - physiopathology
Calcinosis - physiopathology
Electrocardiography
Female
Heart Block - physiopathology
Heart Conduction System - physiopathology
His bundle recordings
Humans
Middle Aged
Mitral Valve - physiopathology
transverse dissociation
two-level block
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Summary:“Completed” and “abor tive” alternating Wenckebach periods occurred in a symptomatic female with calcification of the mi tral annulus, These arrhythmias were attributed to transverse dissociation of the His bundle into two horizontal levels “connected in series,” with 2:1 block in the “distal” level and Wenckebach periods in the “proximal” level. Intra‐Hisian alternating Wenckebach periods resembled those resulting from transverse dissociation of other infra‐AV nodal structures in that they are rare, usually symptomatic and require pacemaker implantation. This contrasts with the variety of rhythms resulting from trans verse dissociation of the AV node which occur frequently, are not always malignant, and generally are not treated with implanted pacemakers. (PACE, Vol. 5, May‐June, 1982)
ISSN:0147-8389
1540-8159
DOI:10.1111/j.1540-8159.1982.tb02238.x