First degree AV block epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Ahmed Elsaiey, MBBCH [3], Cafer Zorkun, M.D., Ph.D. [4]

Overview

The prevalence of First-degree AV block is approximately 1000-2000 per 100,000 individuals in developed countries. The incidence of First-degree AV block was estimated to be 1000 cases per 100,000 in children and adolescent athletes and significantly lower than adults due to lower vagal tone in children. First-degree AV block is more commonly observed among elderly patients. Men are more commonly affected with first-degree AV block than women. The male to female ratio is approximately 2 to 1. First-degree AV block was more commonly observed among African-American subjects compared with Caucasian subjects.

The prevalence of First-degree AV block is approximately 1000-2000 per 100,000 individuals in developed countries.^[1]
The incidence of First-degree AV block was estimated to be 1000 cases per 100,000 in children and adolescent athletes and significantly lower than adult due to lower vagal tone.^[2]

First-degree AV block was more commonly observed among African-American subjects compared with Caucasian subjects.^[3]

↑ Bexton RS, Camm AJ (1984). "First degree atrioventricular block". Eur Heart J. 5 Suppl A: 107–9. doi:10.1093/eurheartj/5.suppl_a.107. PMID 6373267.
↑ Velasquez Rodriguez, J; Gonzalez-Saldivar, H; Li, X; Bruna-Fernandez, V; Valero-Masa, M.J; De Hevia, M; Diaz-Gonzalez, L (2020). "First-degree atrioventricular block in children and adolescent athletes". European Heart Journal. 41 (Supplement_2). doi:10.1093/ehjci/ehaa946.3133. ISSN 0195-668X.
↑ Upshaw CB (2004). "Comparison of the prevalence of first-degree atrioventricular block in African-American and in Caucasian patients: an electrocardiographic study III". J Natl Med Assoc. 96 (6): 756–60. PMC 2568382. PMID 15233485.