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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

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
Criteria for intraventricular conduction disturbances and pre-excitation. World Health Organizational/International Society and Federation for Cardiology Task Force Ad Hoc.
Willems JL, Robles de Medina EO, Bernard R, Coumel P, Fisch C, Krikler D, Mazur NA, Meijler FL, Mogensen L, Moret P
J Am Coll Cardiol 1985 Jun;5(6):1261-75. doi: 10.1016/s0735-1097(85)80335-1. PMID: 3889097
Electrocardiographic criteria of left ventricular hypertrophy in left bundle-branch block.
Cokkinos DV, Demopoulos JN, Heimonas ET, Mallios C, Papazoglou N, Vorides EM
Br Heart J 1978 Mar;40(3):320-4. doi: 10.1136/hrt.40.3.320. PMID: 147697Free PMC Article

Recent clinical studies

Etiology

Obesity and Cardiac Conduction Block Disease in China.
Liu P, Wang Y, Zhang X, Zhang Z, Zhao N, Ou W, Wang G, Yang X, Li M, Zhang Y, Yang X, Wu S
JAMA Netw Open 2023 Nov 1;6(11):e2342831. doi: 10.1001/jamanetworkopen.2023.42831. PMID: 37955899Free PMC Article
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
Progression of incomplete toward complete left bundle branch block: A clinical and electrocardiographic analysis.
Senesael E, Calle S, Kamoen V, Stroobandt R, De Buyzere M, Timmermans F, De Pooter J
Ann Noninvasive Electrocardiol 2020 Jul;25(4):e12732. Epub 2019 Dec 11 doi: 10.1111/anec.12732. PMID: 31823461Free PMC Article
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

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
Obesity and Cardiac Conduction Block Disease in China.
Liu P, Wang Y, Zhang X, Zhang Z, Zhao N, Ou W, Wang G, Yang X, Li M, Zhang Y, Yang X, Wu S
JAMA Netw Open 2023 Nov 1;6(11):e2342831. doi: 10.1001/jamanetworkopen.2023.42831. PMID: 37955899Free PMC Article
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
The electrocardiographic features of complete and partial left anterior and left posterior hemiblock.
Elizari MV, Chiale PA
J Electrocardiol 2012 Sep;45(5):528-35. doi: 10.1016/j.jelectrocard.2012.06.012. PMID: 22920788
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

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
Clinical, electrocardiographic and electrophysiological characteristics, and catheter ablation results of left upper septal premature ventricular complexes.
Kose S, Vurgun VK, Gokoglan Y, Balli M, Kabul HK
J Cardiovasc Electrophysiol 2020 Dec;31(12):3251-3261. Epub 2020 Oct 11 doi: 10.1111/jce.14765. PMID: 33010075
Effects of β-blocker therapy on electrocardiographic and echocardiographic characteristics of left ventricular noncompaction.
Li J, Franke J, Pribe-Wolferts R, Meder B, Ehlermann P, Mereles D, Andre F, Abdelrazek MA, Merten C, Schweizer PA, Becker R, Katus HA, Thomas D
Clin Res Cardiol 2015 Mar;104(3):241-9. Epub 2014 Oct 21 doi: 10.1007/s00392-014-0778-z. PMID: 25331160
Incomplete left bundle branch block as an artefact caused by the Nuss procedure for pectus excavatum.
Gräfe D, Fitze G, Heilmann A
Europace 2011 Feb;13(2):258-61. Epub 2010 Dec 4 doi: 10.1093/europace/euq425. PMID: 21131652

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
Progression of incomplete toward complete left bundle branch block: A clinical and electrocardiographic analysis.
Senesael E, Calle S, Kamoen V, Stroobandt R, De Buyzere M, Timmermans F, De Pooter J
Ann Noninvasive Electrocardiol 2020 Jul;25(4):e12732. Epub 2019 Dec 11 doi: 10.1111/anec.12732. PMID: 31823461Free PMC Article
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
Incomplete right bundle branch block: a novel electrocardiographic marker for lone atrial fibrillation.
Nielsen JB, Olesen MS, Tangø M, Haunsø S, Holst AG, Svendsen JH
Europace 2011 Feb;13(2):182-7. Epub 2010 Dec 7 doi: 10.1093/europace/euq436. PMID: 21138928
The Brugada syndrome.
Mattu A, Rogers RL, Kim H, Perron AD, Brady WJ
Am J Emerg Med 2003 Mar;21(2):146-51. doi: 10.1053/ajem.2003.50034. PMID: 12671818

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
Progression of incomplete toward complete left bundle branch block: A clinical and electrocardiographic analysis.
Senesael E, Calle S, Kamoen V, Stroobandt R, De Buyzere M, Timmermans F, De Pooter J
Ann Noninvasive Electrocardiol 2020 Jul;25(4):e12732. Epub 2019 Dec 11 doi: 10.1111/anec.12732. PMID: 31823461Free PMC Article
Diagnosis of right bundle branch block: a concordance study.
Alventosa-Zaidin M, Pera G, Roca Saumell C, Mengual Miralles N, Zamora Sanchez MV, Gros Garcia T, Guix Font L, Benitez Camps M, Francisco-Pascual J, Brugada Terradellas J
BMC Fam Pract 2019 May 6;20(1):58. doi: 10.1186/s12875-019-0946-3. PMID: 31060516Free PMC Article
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

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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