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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.
Matthias R Meyer +2 more
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Hypotension and Left Bundle Branch Block
The American Journal of Cardiology, 2017A 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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The vectorcardiogram in left bundle branch block
The American Journal of Cardiology, 1961Abstract 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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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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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, 1969Excerpt 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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[CME: Left Bundle Branch Block and Painful Left Bundle Branch Block Syndrome].
Praxis, 2020CME: Left Bundle Branch Block and Painful Left Bundle Branch Block Syndrome Abstract. Left bundle branch block (LBBB) is the electrocardiographic correlate of a pathologic transmission of the electrical signals in the myocardium which can lead to a dyssynchronous left ventricular activation and thus to an inefficient contraction of the ventricles.
Luca, Oechslin +2 more
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Left ventricular hypertrophy in left bundle branch block
Journal of Electrocardiology, 1984The detection of left ventricular hypertrophy (LVH) in the presence of left bundle branch block (LBBB) remains a difficult clinical problem. Its prevalence and significance have not previously been studied in a group of living patients. M-mode echocardiography was utilized to determine the prevalence of anatomic LVH in 28 patients with LBBB.
L M, Noble, S B, Humphrey, G B, Monaghan
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The prognosis of complete left bundle branch block
American Heart Journal, 1965Abstract In a study of 146 patients with complete left bundle branch block the average duration of survival after the conduction disturbance had been diagnosed was 36 months.
S, SMITH, W L, HAYES
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Beyond Left Bundle Branch Block
JAMA Internal Medicine, 2022Rimmy, Garg +2 more
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JAMA, 1973
Of 27 patients with left bundle-branch block following acute myocardial infarction, five died. Left bundle-branch block was present on admission in 26 patients, and subsequently appeared in one. Fourteen of 16 patients who did not have a temporary pacemaker placed prophylactically survived the acute myocardial infarction.
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Of 27 patients with left bundle-branch block following acute myocardial infarction, five died. Left bundle-branch block was present on admission in 26 patients, and subsequently appeared in one. Fourteen of 16 patients who did not have a temporary pacemaker placed prophylactically survived the acute myocardial infarction.
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