Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Bradycardia epidemiology and demographics
Introduction
Overview
Overview
Bradycardia is mostly the result of sinus node dysfunction found in one in 600 individuals over 65 years of age. There is no racial predilection for bradycardia and it affects all genders equally.
Epidemiology and Demographics
Epidemiology and Demographics
Incidence
- The incidence of bradycardia is approximately 1 in 600 individuals worldwide.[1]
Prevalence
- The prevalence of unexplained sinus bradycardia (SB) is approximately 400 per 100,000 individuals worldwide.[2]
- The frequency of sick sinus syndrome is unknown in the general population, while in cardiac patients it has been estimated to be 3 in 5000.
Age
- Bradycardia is more common in older patients, over the age of 65 years.
Race
- There is no racial predilection to bradycardia.
Gender
- Bradycardia affects men and women equally.[3]
References
References
- ↑ Grentzmann G, Ingram JA, Kelly PJ, Gesteland RF, Atkins JF (1998). “A dual-luciferase reporter system for studying recoding signals”. RNA. 4 (4): 479–86. PMC 1369633. PMID 9630253.
- ↑ Tresch DD, Fleg JL (1986). “Unexplained sinus bradycardia: clinical significance and long-term prognosis in apparently healthy persons older than 40 years”. Am J Cardiol. 58 (10): 1009–13. doi:10.1016/s0002-9149(86)80029-7. PMID 3490781.
- ↑ Tresch DD, Fleg JL (1986). “Unexplained sinus bradycardia: clinical significance and long-term prognosis in apparently healthy persons older than 40 years”. Am J Cardiol. 58 (10): 1009–13. doi:10.1016/s0002-9149(86)80029-7. PMID 3490781.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ibtisam Ashraf, M.B.B.S.[2]