Athletic competition after COVID

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MEMPHIS, Tenn. – Cardiovascular imaging demonstrated no evidence of myocardial injury or myocarditis in athletes after COVID-19 infection, according to a research letter published in Circulation by Le Bonheur Children’s Hospital and the University of Tennessee Health Science Center cardiologists. The screening and evaluation was conducted by the Le Bonheur Children’s Heart Institute Sports Cardiology team, Benjamin S. Hendrickson, MD, Ranjit R. Philip, MD, and Ryan E. Stephens, NP-C, MBA, and Le Bonheur Director of Cardiac MRI Jason N. Johnson, MD, MHS. Researchers say this study confirms existing recommendations that cardiovascular screening can be deferred in COVID-19 positive athletes who are asymptomatic or have milder symptoms.

“Concern for cardiovascular disease as a result of COVID-19 brought about recommendations for evaluating athletes after infection,” said Johnson. “Our results show that none of the athletes who underwent cardiac MRI had abnormal findings.”

137 collegiate athletes from three universities competing across the National Collegiate Athletic Association (NCAA) Divisions 1, 2 and 3 were evaluated in sports cardiology clinic no sooner than 10 days after testing positive. The athletes were young adults from a broad range of sports and various racial ethnic backgrounds – 48% black, 47% white and 7% Hispanic.

Le Bonheur Children’s and UTHSC cardiologists used an algorithm-guided screening to evaluate the athletes. Regardless of symptoms or illness severity, cardiologists obtained a 12-lead electrocardiogram (ECG), transthoracic echocardiogram and conventional cardiac troponin I (cTn) level from each COVID-19 positive athlete. If any of these tests were abnormal or the athlete had a clinical evaluation of concern, they were referred for cardiac MRI (CMR). Athletes with normal evaluations and negative tests or negative CMR had exercise slowly reintroduced and eventually returned to full participation.

Study findings include:


  • Most athletes (82%) were symptomatic and experienced mild (67%) or moderate (33%) symptoms. None of the athletes had severe COVID-19 illness.
  • Only five (3.6%) athletes had abnormal testing that required CMR. Of these five, none had abnormal CMR results consistent with myocardial injury or myocarditis.
  • None of the athletes had new symptoms or other health problem after resuming exercise and normal competition. 

“On the basis of the outcomes and follow-up in our cohort, it is reasonable to defer cardiovascular screening in asymptomatic athletes or those with milder COVID-19,” said Philip. “Cardiac screening, testing and imaging can be guided by the severity of symptoms and illness in an athlete.”


About Le Bonheur Children’s:

Le Bonheur Children’s Hospital in Memphis, Tenn., treats children through community programs, regional clinics and a 255-bed state-of-the-art hospital. Le Bonheur serves as a primary teaching affiliate for the University Tennessee Health Science Center and trains more than 350 pediatricians and specialists each year. Nationally recognized, Le Bonheur is ranked by U.S. News & World Report as a Best Children’s Hospital. 

For more information, please call (901) 287-6030 or visit Connect with us at or on Instagram at  lebonheurchildrens.


About the University of Tennessee Health Science Center:

As Tennessee’s only public, statewide, academic health system, the mission of the University of Tennessee Health Science Center is to bring the benefits of the health sciences to the achievement and maintenance of human health through education, research, clinical care, and public service, with a focus on the citizens of Tennessee and the region. The main campus in Memphis includes six colleges: Dentistry, Graduate Health Sciences, Health Professions, Medicine, Nursing and Pharmacy. UTHSC also educates and trains medicine, pharmacy, and/or health professions students, as well as medical residents and fellows, at major sites in Knoxville, Chattanooga and Nashville. For more information, visit Find us on Facebook:, on Twitter: and on Instagram:


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