2022
DOI: 10.1007/s00399-022-00913-4
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Vorhofflimmern beim Sportler

Abstract: Zusammenfassung Hintergrund Bei Freizeit- und Spitzensportlern nimmt die Inzidenz von Vorhofflimmern (VHF) abhängig von der Intensität der sportlichen Belastung im Mittel um das 2,5-Fache zu. Die Festlegung einer genauen Dauer bzw. der Belastungsintensität, ab welcher das VHF-Risiko erhöht wird, ist allerdings schwierig. Die pathophysiologischen Mechanismen der Flimmerarrhythmie bei Athlet:innen setzen sich aus Pulmonalvenen-Ektopien als Trigger, myokardialen Veränderungen wie Fibro… Show more

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“…However, the pathophysiological mechanisms underlying AF still needs further investigation. Existing research has indicated that atria in AF patients typically exhibits pronounced electrophysiological instability, characterized by marked alterations in atrial myocyte excitability and repolarization times (17,18). This instability precipitates disordered conduction of electrical signals within the atria, thereby fostering the onset of AF (19).…”
Section: Discussionmentioning
confidence: 99%
“…However, the pathophysiological mechanisms underlying AF still needs further investigation. Existing research has indicated that atria in AF patients typically exhibits pronounced electrophysiological instability, characterized by marked alterations in atrial myocyte excitability and repolarization times (17,18). This instability precipitates disordered conduction of electrical signals within the atria, thereby fostering the onset of AF (19).…”
Section: Discussionmentioning
confidence: 99%