[Supraventricular reentry tachycardia and athletic fitness].
[Supraventricular reentry tachycardia and athletic fitness].
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Original abstract
Paroxysmal supraventricular reciprocating tachycardias (PSRT) which are due to a different type of reentry including the atrioventricular reentry circuit of Wolff-Parkinson-White (WPW) syndrome, may disturb the professional career of an athlete. Moreover even severe episodes of preexcited atrial fibrillation of WPW may occur. PSRT in athletes may present various clinical consequences: unimportant symptoms, or severe hemodynamic effects on the athletic performance particularly during sports activity at intrinsic high risk. The athletes are evaluated by clinical protocol which includes Holter monitoring ergometric test, echocardiography study, thyroid check and transesophageal electrophysiologic study at rest and during exercise. The arrhythmological study should be carefully performed in order to exclude an underlying heart disease, to study electrophysiological mechanisms and possible hemodynamic effect sports activity relate of the inducible and clinical tachyarrhythmias. Sometimes, these PSRT may disappear after interruption of athletic activity because of modifications of electrophysiological conditions related to the sports activity.