Results 241 to 250 of about 3,477,795 (295)

Left bundle branch pacing in alternating bundle branch block

Journal of Electrocardiology, 2023
We 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, Adrian, Baranchuk, Álvaro, Lozano, Julián, Crosa, Ángel, Miracle   +4 more
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Left bundle branch block masquerading as right bundle branch block

American Heart Journal, 1954
Abstract 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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The Incomplete Left Bundle Branch Block

Diseases of the Chest, 1963
SUMMARY The incomplete left bundle branch block is an electrocardiographic entity, having well defined criteria, yet is a frequent cause of misinterpretation. The R>L septal depolarization results in loss of the normal left ventricular q wave, being replaced by an initial r wave. On occasion, the initial r wave component may be fused on the ascending
R H, WASSERBURGER, D H, WHITE, E R, LINDSAY   +2 more
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Benign Left Bundle Branch Block

Annals of Internal Medicine, 1969
Abstract Ten patients with left bundle branch block (LBBB) without signs or symptoms of underlying heart disease were carefully studied clinically and by cardiac catheterization including selective...
T B, Beach, J G, Gracey, R H, Peter, P W, Grunenwald   +3 more
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The vectorcardiogram in left bundle branch block

The American Journal of Cardiology, 1961
Abstract Thirty vectorcardiograms of left bundle branch block were studied. The time, direction, sense and position of the Q, R and ST-T loops were studied. Twenty-five cases had QRS loops with greater duration than 120 milliseconds and five ranged from 100 to 120 milliseconds. The Q loop was present in six cases.
R, LUNA, A, JACKSON
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Hypotension and Left Bundle Branch Block

The American Journal of Cardiology, 2017
A 69-year-old man with chronic kidney disease and no chest pain had the new onset of hypotension. An electrocardiogram revealed left bundle branch block and inferior ST-segment elevation concordant with the QRS complexes in leads II and aVF, a pattern diagnostic of acute inferior myocardial infarction.
Mazen M, Kawji, David Luke, Glancy
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Differences in presentation and clinical outcomes between left or right bundle branch block and ST segment elevation in patients with acute myocardial infarction. [PDF]

European Heart Journal: Acute Cardiovascular Care, 2020
Background: In patients with acute myocardial infarction, the presence of a left bundle branch block or right bundle branch block may be associated with worse prognosis compared to isolated ST segment elevation.
Marco Roffi, David J Kurz, Thomas Rosemann   +2 more
exaly   +2 more sources

Hyperkalemic left bundle branch block and hyporeninemic hypoaldosteronism (hyperkalemic left bundle branch block

Journal of Electrocardiology, 1986
A 70-year-old woman was admitted to the intensive coronary care unit with suspected myocardial infarction. During the follow-up period, the patient twice developed left bundle branch block, which was shown to be related to high serum potassium levels secondary to hyporeninemic hypoaldosteronism and moderate renal failure.
R, Leor, R, Stalnikowicz
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LEFT BUNDLE BRANCH BLOCK BENIGN?

Annals of Internal Medicine, 1969
Excerpt To the Editor:In regard to the article on "Benign Left Bundle Branch Block" by Dr. Beach and co-workers (Ann. Intern. Med.
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