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January 9, 2026International Journal of CardiologyOpen Access

QRS fragmentation on the 12-lead electrocardiogram and its association to physiological cardiac adaptation in elite cyclists

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Key result

Fragmented QRS in elite cyclists is associated with physiological left and right ventricular adaptation but may not warrant further investigation in isolation.

Authors

MGMichael GoodmanAMAneil MalhotraRCRobert Cooper

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Overview

QRS fragmentation associates with physiological cardiac adaptation in elite cyclists, suggesting nuanced implications for athlete health.

Key Points

  • This research aims to explore the relationship between QRS fragmentation and cardiac adaptation in elite cyclists.
  • Analyzed electrocardiograms from elite cyclists
  • Assessed indices of left and right ventricle adaptation
  • Compared fQRS patterns with physiological adaptations
  • fQRS is linked to indices of left ventricle adaptation
  • fQRS also relates to right ventricle adaptation
  • In isolation, fQRS may not necessitate further investigation

Cite This Study

Goodman et al. (2026) studied this question. Fragmented QRS in elite cyclists is associated with physiological left and right ventricular adaptation but may not warrant further investigation in isolation.

synapsesocial.com/papers/696128f244c2cd6c68456c4ehttps://doi.org/10.1016/j.ijcard.2025.134149
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1QRS fragmentation and long-term cardiovascular outcomes and mortality: a population-based cohort study2026
  2. 2FREQUENCY OF FRAGMENTED QRS COMPLEX IN PATIENTS WITH ST-ELEVATED MYOCARDIAL INFARCTION UNDERGOING MYOCARDIAL REPERFUSION THERAPY IN REHMAN MEDICAL INSTITUTE, PESHAWAR: A DESCRIPTIVE CROSS-SECTIONAL STUDY2025
  3. 3Preoperative fragmented QRS as a predictor of postoperative left ventricular systolic dysfunction after isolated mitral valve replacement2026
  4. 4Low QRS voltage in paralympic athletes: an unexpectedly high prevalence2026
  5. 5Modelling complex sports adaptation with electrocardiography: analysis of standard ECG, heart rate variability and QRST integral changes in elite athletes2026