Bradycardia epidemiology and demographics

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Bradycardia Microchapters

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Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Bradycardia from other Conditions

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

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Laboratory Findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ibtisam Ashraf, M.B.B.S.[2]

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

Incidence

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

Gender

References

  1. 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.
  2. 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.
  3. 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.

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