Electrocardiogram and echocardiogram findings in runners completing a half marathon

Minns, Alicia B.; McFarland, Cameron; Strachan, Monet; Austin, Wendy; Castillo, Edward M.; Ben‐Yehuda, Ori; Clark, Richard F.

doi:10.1016/j.ajem.2010.06.035

Cited by 7 publications

(19 citation statements)

References 12 publications

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“…79 In the immediate postexercise period, approximately 62% of runners will exhibit ECG changes, for example, with no difference between men and women. 80 Sinus bradycardia, first-degree atrioventricular block, incomplete right bundle branch block, early repolarization, and isolated voltage criteria for left ventricular hypertrophy are generally considered normal in the athlete, while widespread T-wave changes, abnormal axis, complete bundle branch blocks, left atrial enlargement, preexcitation, and pathological Q waves should prompt further evaluation. 67 The effect of QTc on outcomes may be of particular concern to female athletes on fourth-generation oral contraceptives, as this class of medication has been shown to increase QTc.…”

Section: Sudden Cardiac Deathmentioning

confidence: 99%

Gender- and Sex-specific Sports-related Injury Research in Emergency Medicine: A Consensus on Future Research Direction and Focused Application

et al. 2014

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Title IX, the commercialization of sports, the social change in sports participation, and the response to the obesity epidemic have contributed to the rapid proliferation of participation in both competitive organized sports and nontraditional athletic events. As a consequence, emergency physicians are regularly involved in the acute diagnosis, management, disposition, and counseling of a broad range of sports-related pathology. Three important and highly publicized mechanisms of injury in sports relevant to emergency medicine (EM) include concussion, heat illness, and sudden cardiac death. In conjunction with the 2014 Academic Emergency Medicine consensus conference "Gender-specific Research in Emergency Care: Investigate, Understand, and Translate How Gender Affects Patient Outcomes," a consensus group consisting of experts in EM, emergency neurology, sports medicine, and public health convened to deliberate and develop research questions that could ultimately advance the field of sports medicine and allow for meaningful application in the emergency department (ED) clinical setting. Sex differences in injury risk, diagnosis, ED treatment, and counseling are identified in each of these themes. This article presents the consensus-based priority research agenda.

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Section: Sudden Cardiac Deathmentioning

confidence: 99%

Gender- and Sex-specific Sports-related Injury Research in Emergency Medicine: A Consensus on Future Research Direction and Focused Application

et al. 2014

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“…A sample size calculation was done for the estimation of a 95% confidence interval with an absolute precision of 10% for the prevalence of abnormal ECG readings pre‐race. The expected prevalence of ECGs with at least one abnormality was estimated to be 69%, based on a previous similar study . It was estimated that we needed at least 103 subjects.…”

Section: Methodsmentioning

confidence: 99%

“…The popularity of high‐volume endurance athletic events surged in the last 30 years. Marathons and triathlons of all distances and obstacle courses attract an increasing number of participants every year . Amateur athletes are engaging in regular endurance training, and a proportion of these participants, with a mean age of 40‐50 years, have predisposing risk factors and may have a cardiac event during training or racing …”

Section: Introductionmentioning

confidence: 99%

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Electrocardiographic changes after completion of a triathlon

et al. 2020

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Objectives:Given the increasing popularity of long-distance triathlon events among amateur athlete and the difficulty for emergency physician to address cardiovascular complaints in the context of exercise, this study aims to determine the prevalence of ECG changes after a long-distance triathlon. Methods: This prospective observational study examines the prevalence of selected standard 12-lead ECG findings, the Seattle criteria, in asymptomatic athletes before and after the completion of a long-distance triathlon. Results: Of 99 ECGs obtained prior to the race, 28 were abnormal, for a pre-race prevalence of 28.3% (95% CI [20.4, 37.8]). Of the 72 ECGs post-race, 12 were abnormal, for a post-race prevalence of 16.7% (95% CI [9.8, 26.9]). Common findings were increased QRS voltage significant for left ventricular hypertrophy (LVH) (24 [24.2%] pre-race, 10 [14.1%] post-race), early repolarization (21 [21.2%] pre-race, 19 [26.8%] post-race), and incomplete right bundle branch block (RBBB) (8 [8.1%] pre-race, 11 [15.5%] post-race).McNemar's test showed no agreement between the ECG pre-and post-results (χ 2 = 6.54, P = .01), suggesting a possible effect of the race on ECG findings. Conclusion: Long-distance triathlon might acutely affect the ECGs findings in asymptomatic athletes, and abnormal ECG findings were common in our cohort of athletes. K E Y W O R D Sathletic heart, cardiac adaptation, electrocardiography, exercise medicine, seattle criteria

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“…Benito et al (2) have shown cardiac remodeling with myocardial fibrosis in the right ventricle and both atria and increased arrhythmia in rats after a long-term strenuous exercise. However, ofthe few articles that have investigated electrophysiological changes after participation in a prolonged and strenuous exercise, the results are inconsistent (25,31,34). Therefore, we investigated ECG changes before and after a strenuous exercise and their relationship with changes in electrolyte and infiammatory marker concentrations in a large cohort of marathon runners up to 72 h after the race.…”

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confidence: 97%

Repolarization Perturbation and Hypomagnesemia after Extreme Exercise

Scherr

Schuster²,

Preßler³

et al. 2012

Medicine &Amp; Science in Sports &Amp; Exercise

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Cardiac repolarization was significantly altered immediately after a marathon, coincident with hypomagnesemia and hypokalemia. Inflammatory and electrolyte statuses returned to baseline values within 72 h. The current data do not support that ECG alterations after marathon running represent an increased risk for arrhythmic events. However, further investigation is warranted to describe these relationships in more detail.

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Electrocardiogram and echocardiogram findings in runners completing a half marathon

Cited by 7 publications

References 12 publications

Gender- and Sex-specific Sports-related Injury Research in Emergency Medicine: A Consensus on Future Research Direction and Focused Application

Gender- and Sex-specific Sports-related Injury Research in Emergency Medicine: A Consensus on Future Research Direction and Focused Application

Electrocardiographic changes after completion of a triathlon

Repolarization Perturbation and Hypomagnesemia after Extreme Exercise

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