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Related Experiment Videos

[Age markers on EKG].

N G Varlamova1, V G Evdokimov

  • 1Institute of Physiology, Komi Science Center, Jral Branch, Russian Academy of Sciences, Syktyvkar.

Advances in Gerontology = Uspekhi Gerontologii
|June 25, 2003
PubMed
Summary

Electrocardiogram (ECG) aging changes vary between men and women in the European North. Specific ECG leads and wave amplitudes reveal age-related cardiac alterations in both sexes.

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Area of Science:

  • Cardiology
  • Physiology
  • Gerontology

Context:

  • Investigating age-related cardiovascular changes in healthy European North adults.
  • Analyzing electrocardiogram (ECG) amplitude-temporary characteristics.
  • Focusing on individuals aged 20-59 years (n=278).

Purpose:

  • To identify specific ECG indices and leads that accurately reflect aging processes.
  • To understand sex-specific differences in ECG age dynamics.
  • To quantify changes in ECG parameters over four decades of adult life.

Summary:

  • Age-related ECG changes were observed in both men and women, with distinct patterns for each sex.
  • Men showed more pronounced age dynamics in leads aVL, III, V4, and aVF; women in leads aVL and V2.
  • Significant amplitude changes in specific ECG waves (S, T, R, P for men; R, T, Q for women) occurred between the third and sixth decades.
  • Elongation of Q-T, R-R intervals, and S-T segment indicated delayed depolarization/repolarization and leftward axis deviation, though not clinically significant.

Impact:

  • Provides insights into normative ECG aging data for the European North population.
  • Highlights sex-specific variations in cardiac aging, aiding in more accurate clinical interpretation.
  • Establishes a baseline for understanding subclinical cardiac changes associated with aging.

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