RT-220
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Pathological findings in sudden
death in human athletes vs sudden death in Alaskan sled dogs during the Iditarod sled race
and/or during training
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Saroja Bharati.
Maurice Lev Congenital Heart and Conduction System Center, The Heart Institute for
Children, Hope Children's Hospital, Christ Hospital and Medical Center, Oak Lawn, Rush
Medical College, Rush University, Rush-Presbyterian-St. Luke's Medical Center, Chicago,
Clinical Professor of Pathology, Finch University of Health Sciences, Chicago Medical
School, North Chicago, University of Illinois at Chicago, Chicago, USA
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Abstract
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The conduction system in human athletes and the sled
dogs who died suddenly revealed varying amount of fibrosis, fat and mononuclear cells in
the varying parts of the conduction system as well as the surrounding myocardium,
especially in the ventricular septum. In addition, there were congenital anomalies of the
conduction system in some of the athletes who died suddenly.
The above findings suggest that during an altered physiological state the vulnerable
conduction system may be susceptible for abnormal function and may indeed result in
varying types of arrhythmias that may degenerate into ventricular tachycardia,
fibrillation and sudden death in some athletes.
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Key Words
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Arrhythmias in athletes
sudden death, congenital/acquired conduction system abnormalities, Alaskan sled dogs,
Iditarod race, strenuous physical activity, R
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