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Mobitz I atrioventricular block

MedGen UID:
82687
•Concept ID:
C0264907
•
Disease or Syndrome; Finding
Synonyms: AV Block Second Degree Mobitz Type I; AV block second degree Mobitz type I; AV Block Second Degree Möbitz Type I; AV block second degree Möbitz type I; Mobitz I; Mobitz type 1 atrioventricular block; Mobitz type 1 second degree atrioventricular block; Mobitz type I; Mobitz type I atrioventricular block; Mobitz type I incomplete atrioventricular block; Mobitz Type I Second Degree AV Block; Mobitz type I second degree AV block; Mobitz type I Wenckebach atrioventricular block; Möbitz I; Möbitz Type I Second Degree AV Block; Möbitz type I second degree AV block; Second Degree Atrioventricular Block Mobitz Type I; second degree atrioventricular block Mobitz type I; Second Degree Atrioventricular Block Möbitz Type I; second degree atrioventricular block Möbitz type I; type 1 2nd degree AV block; Type 1 Second Degree Atrioventricular Block; type 1 second degree atrioventricular block; Type 1 Second Degree AV Block; type 1 second degree AV block; Wenckebach Block; Wenckebach block; Wenckebach's incomplete AV block; Wenckebach's phenomenon
SNOMED CT: Mobitz type 1 second degree atrioventricular block (54016002); Mobitz type I Wenckebach atrioventricular block (54016002); Mobitz type I incomplete atrioventricular block (54016002); Wenckebach's phenomenon (54016002); Wenckebach's incomplete AV block (54016002)
 
HPO: HP:0011707
Monarch Initiative: MONDO:0020744

Definition

Progressive PR interval prolongation with the subsequent occurrence of a single nonconducted P wave that results in a pause. The pause that follows the nonconducted impulse is less than fully compensatory (less than the sum of two normal sinus intervals). [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVMobitz I atrioventricular block

Professional guidelines

PubMed

Association between Atrioventricular Block and Mortality in Primary Care Patients: The CODE Study.
Paixão GMM, Lima EM, Quadros AB, Cabral DPR, Coelho RR, Oliveira DM, Nascimento JS, Gomes PR, Ribeiro AL
Arq Bras Cardiol 2022 Oct;119(4):564-571. doi: 10.36660/abc.20210763. PMID: 35857946Free PMC Article
Analysis of cardiac monitoring and safety data in patients initiating fingolimod treatment in the home or in clinic.
Brown B, Weiss JL, Kolodny S, Meng X, Williams IM, Osborne JA
BMC Neurol 2019 Nov 15;19(1):287. doi: 10.1186/s12883-019-1506-0. PMID: 31729968Free PMC Article
Defining abnormal electrocardiography in adult emergency department syncope patients: the Ottawa Electrocardiographic Criteria.
Thiruganasambandamoorthy V, Hess EP, Turko E, Tran ML, Wells GA, Stiell IG
CJEM 2012 Jul;14(4):248-58. PMID: 22813399

Recent clinical studies

Etiology

The Efficacy of His Bundle Pacing: Lessons Learned From Implementation for the First Time at an Experienced Electrophysiology Center.
Bhatt AG, Musat DL, Milstein N, Pimienta J, Flynn L, Sichrovsky T, Preminger MW, Mittal S
JACC Clin Electrophysiol 2018 Nov;4(11):1397-1406. Epub 2018 Sep 26 doi: 10.1016/j.jacep.2018.07.013. PMID: 30466843
The clinical significance of atrial pacing-induced Mobitz I atrioventricular block in patients with coronary artery disease.
Alfaro FG, Mathur VS, Raizner AE, Chahine RA, Montero AG, Luchi RJ
J Electrocardiol 1977 Jan;10(1):95-100. doi: 10.1016/s0022-0736(77)80039-3. PMID: 833532

Diagnosis

Intra-His bundle block in second-degree Mobitz I atrioventricular block with right bundle branch block.
Lee YS, Kim SY, Kim KS, Kim YN
Europace 2009 Sep;11(9):1251-2. Epub 2009 Jun 20 doi: 10.1093/europace/eup153. PMID: 19542538
The value of the electrocardiogram and chest X-ray for confirming or refuting a suspected diagnosis of heart failure in the community.
Fonseca C, Mota T, Morais H, Matias F, Costa C, Oliveira AG, Ceia F; EPICA Investigators
Eur J Heart Fail 2004 Oct;6(6):807-12, 821-2. doi: 10.1016/j.ejheart.2004.09.004. PMID: 15542421
Well concealed atrial tachycardia with Wenckebach (Mobitz I) atrioventricular block: digitalis toxicity.
Spodick DH
Am J Geriatr Cardiol 2001 Jan-Feb;10(1):59. doi: 10.1111/j.1076-7460.2001.90858.x. PMID: 11413938
The clinical significance of atrial pacing-induced Mobitz I atrioventricular block in patients with coronary artery disease.
Alfaro FG, Mathur VS, Raizner AE, Chahine RA, Montero AG, Luchi RJ
J Electrocardiol 1977 Jan;10(1):95-100. doi: 10.1016/s0022-0736(77)80039-3. PMID: 833532

Therapy

The Efficacy of His Bundle Pacing: Lessons Learned From Implementation for the First Time at an Experienced Electrophysiology Center.
Bhatt AG, Musat DL, Milstein N, Pimienta J, Flynn L, Sichrovsky T, Preminger MW, Mittal S
JACC Clin Electrophysiol 2018 Nov;4(11):1397-1406. Epub 2018 Sep 26 doi: 10.1016/j.jacep.2018.07.013. PMID: 30466843
Well concealed atrial tachycardia with Wenckebach (Mobitz I) atrioventricular block: digitalis toxicity.
Spodick DH
Am J Geriatr Cardiol 2001 Jan-Feb;10(1):59. doi: 10.1111/j.1076-7460.2001.90858.x. PMID: 11413938
The clinical significance of atrial pacing-induced Mobitz I atrioventricular block in patients with coronary artery disease.
Alfaro FG, Mathur VS, Raizner AE, Chahine RA, Montero AG, Luchi RJ
J Electrocardiol 1977 Jan;10(1):95-100. doi: 10.1016/s0022-0736(77)80039-3. PMID: 833532

Prognosis

The value of the electrocardiogram and chest X-ray for confirming or refuting a suspected diagnosis of heart failure in the community.
Fonseca C, Mota T, Morais H, Matias F, Costa C, Oliveira AG, Ceia F; EPICA Investigators
Eur J Heart Fail 2004 Oct;6(6):807-12, 821-2. doi: 10.1016/j.ejheart.2004.09.004. PMID: 15542421
The clinical significance of atrial pacing-induced Mobitz I atrioventricular block in patients with coronary artery disease.
Alfaro FG, Mathur VS, Raizner AE, Chahine RA, Montero AG, Luchi RJ
J Electrocardiol 1977 Jan;10(1):95-100. doi: 10.1016/s0022-0736(77)80039-3. PMID: 833532

Clinical prediction guides

The Efficacy of His Bundle Pacing: Lessons Learned From Implementation for the First Time at an Experienced Electrophysiology Center.
Bhatt AG, Musat DL, Milstein N, Pimienta J, Flynn L, Sichrovsky T, Preminger MW, Mittal S
JACC Clin Electrophysiol 2018 Nov;4(11):1397-1406. Epub 2018 Sep 26 doi: 10.1016/j.jacep.2018.07.013. PMID: 30466843
The value of the electrocardiogram and chest X-ray for confirming or refuting a suspected diagnosis of heart failure in the community.
Fonseca C, Mota T, Morais H, Matias F, Costa C, Oliveira AG, Ceia F; EPICA Investigators
Eur J Heart Fail 2004 Oct;6(6):807-12, 821-2. doi: 10.1016/j.ejheart.2004.09.004. PMID: 15542421
The clinical significance of atrial pacing-induced Mobitz I atrioventricular block in patients with coronary artery disease.
Alfaro FG, Mathur VS, Raizner AE, Chahine RA, Montero AG, Luchi RJ
J Electrocardiol 1977 Jan;10(1):95-100. doi: 10.1016/s0022-0736(77)80039-3. PMID: 833532

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