Which patient groups have the highest prevalence of first-degree atrioventricular (AV) block?

Updated: Jan 06, 2020
  • Author: Jamshid Alaeddini, MD, FACC, FHRS; Chief Editor: Jose M Dizon, MD  more...
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Answer

In a study of 2,123 patients aged 20-99 years, first-degree AV block was more prevalent among black patients than among white patients in all age groups except for those in the 8th decade of life. [11] In this study, the prevalence of first-degree AV block increased at age 50 years in both ethnic groups and gradually increased with advancing age. The peak in black patients occurred in the 10th decade of life, whereas the peak in white patients was in the 9th decade of life. [11]


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