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Cardiac Electrophysiology Clinics, 2021
Left bundle branch block (LBBB) and right bundle branch block (RBBB) are classic manifestations of bundle branch conduction disorders. However, a third form that is uncommon and underrecognized may exist that has features and pathophysiology of both: bilateral bundle branch block (BBBB). This unusual form of bundle branch block exhibits an RBBB pattern
Jasen L, Gilge, Benzy J, Padanilam
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Left bundle branch block (LBBB) and right bundle branch block (RBBB) are classic manifestations of bundle branch conduction disorders. However, a third form that is uncommon and underrecognized may exist that has features and pathophysiology of both: bilateral bundle branch block (BBBB). This unusual form of bundle branch block exhibits an RBBB pattern
Jasen L, Gilge, Benzy J, Padanilam
openaire +3 more sources
Left bundle branch block masquerading as right bundle branch block
American Heart Journal, 1954Abstract 1. 1. Four cases having electrocardiograms with the following features have been presented: (a) signs of left bundle branch block in the limb leads; (b) signs of right bundle branch block in the precordial leads; (c) qR deflections in aVR. 2. 2.
J L, RICHMAN, L, WOLFF
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An unusual bundle-branch block
Journal of Electrocardiology, 2006We report a case of right bundle-branch block (RBBB) showing a QRS configuration typical for left bundle-branch block (LBBB) in leads V(5) and V(6). The QRS axis was at +90 degrees, and the QRS duration was 0.14 second. There were wide S waves in leads I and aVL, suggesting at first glance an RBBB, but the QRS morphology in the inferior leads ...
MAURIC ATF +2 more
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Left bundle branch pacing in alternating bundle branch block
Journal of Electrocardiology, 2023We present a case of symptomatic intermittent AV block showing during monitorization alternating bundle branch block. Presuming a high need of pacing, conduction system pacing was considered a more physiological alternative in this patient. Left bundle branch pacing restored a stable atrioventricular synchrony with a paced QRS complex similar to the ...
Juan, Benezet-Mazuecos +4 more
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American Heart Journal, 1955
Abstract 1. 1. An electrocardiographic diagnosis of bilateral bundle branch block can be made in rare instances in which conduction in the branches is not completely interrupted and the degree of block in one of the branches is less than in the other on some occasions and greater on others; this allows the patterns of right and left bundle branch
M B, ROSENBAUM, E, LEPESCHKIN
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Abstract 1. 1. An electrocardiographic diagnosis of bilateral bundle branch block can be made in rare instances in which conduction in the branches is not completely interrupted and the degree of block in one of the branches is less than in the other on some occasions and greater on others; this allows the patterns of right and left bundle branch
M B, ROSENBAUM, E, LEPESCHKIN
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Alternating bundle branch block
Journal of Electrocardiology, 1980Mechanisms postulated for alternating bundle branch block are incomplete- and cycle-length-dependent-block in both the right and left bundle branches. A patient with severe longstanding cardiac conduction disease who developed alternating bundle branch block during treatment for advanced ischemic heart disease and malignant ventricular arrhythmia is ...
F L, Gold, A H, From
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