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Incomplete Left Bundle Branch Block by ECG Finding

MedGen UID:
811046
•Concept ID:
C2349944
•
Finding
Synonyms: Incomplete Left Bundle Branch Block; Incomplete Left Bundle Branch Block by EKG Finding

Definition

An electrocardiographic finding of a wide QRS complex with evidence of delayed conduction to the left ventricle, manifest as a widened initial portion of the QRS complex in leads V5, V6, I and aVL and with QRS duration less than 120 ms. (CDISC) [from NCI]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVIncomplete Left Bundle Branch Block by ECG Finding

Professional guidelines

PubMed

ISE/ISHNE expert consensus statement on the ECG diagnosis of left ventricular hypertrophy: The change of the paradigm.
Bacharova L, Chevalier P, Gorenek B, Jons C, Li YG, Locati ET, Maanja M, Pérez-Riera AR, Platonov PG, Ribeiro ALP, Schocken D, Soliman EZ, Svehlikova J, Tereshchenko LG, Ugander M, Varma N, Elena Z, Ikeda T
Ann Noninvasive Electrocardiol 2024 Jan;29(1):e13097. Epub 2023 Nov 24 doi: 10.1111/anec.13097. PMID: 37997698Free PMC Article
Cardiovascular abnormalities and its correlation with genotypes of children with osteogenesis imperfecta.
Zhao D, Liu Y, Liu J, Hu J, Zhang Q, Wang O, Jiang Y, Xia W, Xing X, Li M
Front Endocrinol (Lausanne) 2022;13:1004946. Epub 2022 Oct 20 doi: 10.3389/fendo.2022.1004946. PMID: 36339400Free PMC Article
Evaluating strict and conventional left bundle branch block criteria using electrocardiographic simulations.
Galeotti L, van Dam PM, Loring Z, Chan D, Strauss DG
Europace 2013 Dec;15(12):1816-21. Epub 2013 May 23 doi: 10.1093/europace/eut132. PMID: 23703366

Recent clinical studies

Etiology

His-Purkinje Conduction System Pacing Optimized Trial of Cardiac Resynchronization Therapy vs Biventricular Pacing: HOT-CRT Clinical Trial.
Vijayaraman P, Pokharel P, Subzposh FA, Oren JW, Storm RH, Batul SA, Beer DA, Hughes G, Leri G, Manganiello M, Jastremsky JL, Mroczka K, Johns AM, Mascarenhas V
JACC Clin Electrophysiol 2023 Dec;9(12):2628-2638. Epub 2023 Sep 13 doi: 10.1016/j.jacep.2023.08.003. PMID: 37715742
Electrocardiographic interpretation in athletes.
Abela M, Sharma S
Minerva Cardiol Angiol 2021 Oct;69(5):533-556. Epub 2020 Oct 15 doi: 10.23736/S2724-5683.20.05331-1. PMID: 33059398
Predicting the outcome of acute pulmonary embolism by dynamic changes of the QRS complex in lead V1.
Zhan ZQ, Li Y, Li YH, Nikus K, Pérez-Riera AR, Li JP
J Electrocardiol 2019 Jul-Aug;55:144-151. Epub 2019 Jun 6 doi: 10.1016/j.jelectrocard.2019.06.003. PMID: 31203174
Cardiac Abnormalities in Type 1 Facioscapulohumeral Muscular Dystrophy.
Labombarda F, Maurice M, Simon JP, Legallois D, Guyant-Maréchal L, Bedat-Millet AL, Merle P, Saloux E, Chapon F, Milliez P
J Clin Neuromuscul Dis 2017 Jun;18(4):199-206. doi: 10.1097/CND.0000000000000144. PMID: 28538250
General anesthesia for a patient with Brugada syndrome.
Kapoor-Katari K, Neustein SM
Middle East J Anaesthesiol 2012 Jun;21(5):743-6. PMID: 23265041

Diagnosis

Case 331.
Umer M, Sagheer U, Furtado W, Shotwell M, Joshi J, Shetty M, Kalra DK
Radiology 2024 Jul;312(1):e232440. doi: 10.1148/radiol.232440. PMID: 39078295
Predicting the outcome of acute pulmonary embolism by dynamic changes of the QRS complex in lead V1.
Zhan ZQ, Li Y, Li YH, Nikus K, Pérez-Riera AR, Li JP
J Electrocardiol 2019 Jul-Aug;55:144-151. Epub 2019 Jun 6 doi: 10.1016/j.jelectrocard.2019.06.003. PMID: 31203174
Cardiac Abnormalities in Type 1 Facioscapulohumeral Muscular Dystrophy.
Labombarda F, Maurice M, Simon JP, Legallois D, Guyant-Maréchal L, Bedat-Millet AL, Merle P, Saloux E, Chapon F, Milliez P
J Clin Neuromuscul Dis 2017 Jun;18(4):199-206. doi: 10.1097/CND.0000000000000144. PMID: 28538250
Brugada syndrome.
Francis J, Antzelevitch C
Int J Cardiol 2005 May 25;101(2):173-8. doi: 10.1016/j.ijcard.2004.03.068. PMID: 15882659Free PMC Article
Non-invasive assessment of early cardiac involvement in systemic sclerosis.
Butrous GS, Dowd PM, Milne J, Dymond DS, Caplin J, Camm AJ
Postgrad Med J 1985 Aug;61(718):679-84. doi: 10.1136/pgmj.61.718.679. PMID: 4034457Free PMC Article

Therapy

His-Purkinje Conduction System Pacing Optimized Trial of Cardiac Resynchronization Therapy vs Biventricular Pacing: HOT-CRT Clinical Trial.
Vijayaraman P, Pokharel P, Subzposh FA, Oren JW, Storm RH, Batul SA, Beer DA, Hughes G, Leri G, Manganiello M, Jastremsky JL, Mroczka K, Johns AM, Mascarenhas V
JACC Clin Electrophysiol 2023 Dec;9(12):2628-2638. Epub 2023 Sep 13 doi: 10.1016/j.jacep.2023.08.003. PMID: 37715742
Long-term outcome of intraventricular conduction delays in the general population.
Rankinen J, Haataja P, Lyytikäinen LP, Huhtala H, Lehtimäki T, Kähönen M, Eskola M, Pérez-Riera AR, Jula A, Rissanen H, Nikus K, Hernesniemi J
Ann Noninvasive Electrocardiol 2021 Jan;26(1):e12788. Epub 2020 Aug 17 doi: 10.1111/anec.12788. PMID: 32804416Free PMC Article
Brugada-type electrocardiographic pattern induced by epidural bupivacaine.
Phillips N, Priestley M, Denniss AR, Uther JB
Anesth Analg 2003 Jul;97(1):264-7, table of contents. doi: 10.1213/01.ane.0000067410.32384.3a. PMID: 12818979
Electrocardiographic screening in psychiatric patients.
Hollister LE
J Clin Psychiatry 1995 Jan;56(1):26-9. PMID: 7836336
Rhythm disturbances after blood and crystalloid cardioplegia in coronary artery bypass grafting.
Pehkonen EJ, Reinikainen PM, Kataja MJ, Tarkka MR
Scand J Thorac Cardiovasc Surg 1995;29(1):23-8. doi: 10.3109/14017439509107197. PMID: 7644905

Prognosis

Acute myocardial infarction with right bundle branch block at presentation: Prevalence and mortality.
Figueroa-Triana JF, Mora-Pabón G, Quitian-Moreno J, Álvarez-Gaviria M, Idrovo C, Cabrera JS, Peñuela JAR, Caballero Y, Naranjo M
J Electrocardiol 2021 May-Jun;66:38-42. Epub 2021 Feb 25 doi: 10.1016/j.jelectrocard.2021.02.009. PMID: 33770645
Predicting the outcome of acute pulmonary embolism by dynamic changes of the QRS complex in lead V1.
Zhan ZQ, Li Y, Li YH, Nikus K, Pérez-Riera AR, Li JP
J Electrocardiol 2019 Jul-Aug;55:144-151. Epub 2019 Jun 6 doi: 10.1016/j.jelectrocard.2019.06.003. PMID: 31203174
Intracardiac Delineation of Septal Conduction in Left Bundle-Branch Block Patterns.
Upadhyay GA, Cherian T, Shatz DY, Beaser AD, Aziz Z, Ozcan C, Broman MT, Nayak HM, Tung R
Circulation 2019 Apr 16;139(16):1876-1888. doi: 10.1161/CIRCULATIONAHA.118.038648. PMID: 30704273
Intermittent advanced atrial depolarization abnormality?
Ariyarajah V, Ali M, Spodick DH
Cardiology 2008;110(1):68-72. Epub 2007 Oct 10 doi: 10.1159/000109409. PMID: 17934272
Rhythm disturbances after blood and crystalloid cardioplegia in coronary artery bypass grafting.
Pehkonen EJ, Reinikainen PM, Kataja MJ, Tarkka MR
Scand J Thorac Cardiovasc Surg 1995;29(1):23-8. doi: 10.3109/14017439509107197. PMID: 7644905

Clinical prediction guides

Electrocardiographic interpretation in athletes.
Abela M, Sharma S
Minerva Cardiol Angiol 2021 Oct;69(5):533-556. Epub 2020 Oct 15 doi: 10.23736/S2724-5683.20.05331-1. PMID: 33059398
Young athletes' ECG: Incomplete right bundle branch block vs crista supraventricularis pattern.
Diaz-Gonzalez L, Bruña V, Velásquez-Rodriguez J, Valenzuela PL, Valero-Masa MJ, González-Saldívar H, Martinez-Sellés M, Lucia A, Boraita A
Scand J Med Sci Sports 2020 Oct;30(10):1992-1998. Epub 2020 Jul 24 doi: 10.1111/sms.13763. PMID: 32640481
Intracardiac Delineation of Septal Conduction in Left Bundle-Branch Block Patterns.
Upadhyay GA, Cherian T, Shatz DY, Beaser AD, Aziz Z, Ozcan C, Broman MT, Nayak HM, Tung R
Circulation 2019 Apr 16;139(16):1876-1888. doi: 10.1161/CIRCULATIONAHA.118.038648. PMID: 30704273
Intermittent advanced atrial depolarization abnormality?
Ariyarajah V, Ali M, Spodick DH
Cardiology 2008;110(1):68-72. Epub 2007 Oct 10 doi: 10.1159/000109409. PMID: 17934272
Non-invasive assessment of early cardiac involvement in systemic sclerosis.
Butrous GS, Dowd PM, Milne J, Dymond DS, Caplin J, Camm AJ
Postgrad Med J 1985 Aug;61(718):679-84. doi: 10.1136/pgmj.61.718.679. PMID: 4034457Free PMC Article

Recent systematic reviews

Findings From 12-lead Electrocardiography That Predict Circulatory Shock From Pulmonary Embolism: Systematic Review and Meta-analysis.
Shopp JD, Stewart LK, Emmett TW, Kline JA
Acad Emerg Med 2015 Oct;22(10):1127-37. Epub 2015 Sep 22 doi: 10.1111/acem.12769. PMID: 26394330Free PMC Article

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