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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
openaire +3 more sources
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
openaire +2 more sources
JACC Clinical Electrophysiology, 2021
OBJECTIVES This study sought to examine QRS and intracardiac characteristics during selective (S) and nonselective (NS) left bundle branch pacing (LBBP) from direct left septal recordings.
Weiping Sun, G. Upadhyay, R. Tung
semanticscholar +1 more source
OBJECTIVES This study sought to examine QRS and intracardiac characteristics during selective (S) and nonselective (NS) left bundle branch pacing (LBBP) from direct left septal recordings.
Weiping Sun, G. Upadhyay, R. Tung
semanticscholar +1 more source
Pacing and clinical electrophysiology : PACE, 2020
To assess the electrocardiogram patterns of paced QRS narrowing after successful left bundle branch area pacing (LBBAP) and echocardiographic measurements in patients with bradycardia and bundle branch block (BBB).
Xiaofei Li +8 more
semanticscholar +1 more source
To assess the electrocardiogram patterns of paced QRS narrowing after successful left bundle branch area pacing (LBBAP) and echocardiographic measurements in patients with bradycardia and bundle branch block (BBB).
Xiaofei Li +8 more
semanticscholar +1 more source
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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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
openaire +2 more sources
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
openaire +2 more sources