QT-RR hysteresis is caused by differential autonomic states during exercise and recovery

QT-RR hysteresis is characterized by longer QT intervals at a given RR interval while heart rates are increasing during exercise and shorter QT intervals at the same RR interval while heart rates are decreasing during recovery. It has been attributed to a lagging QT response to different directional...

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Veröffentlicht in:	American journal of physiology. Heart and circulatory physiology 2012-06, Vol.302 (12), p.H2567-H2573
Hauptverfasser:	Pelchovitz, Daniel J, Ng, Jason, Chicos, Alexandru B, Bergner, Daniel W, Goldberger, Jeffrey J
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Atropine - pharmacology Autonomic Nervous System - drug effects Autonomic Nervous System - physiopathology Cardiovascular disease Cardiovascular Neurohormonal Regulation Coronary Artery Disease - physiopathology Diabetes Diabetes Mellitus, Type 2 - physiopathology Electrocardiography Exercise Exercise - physiology Exercise Test Female Heart rate Heart Rate - drug effects Heart Rate - physiology Humans Male Middle Aged Nervous system Parasympatholytics - pharmacology Physiology Ventricular Dysfunction, Left - physiopathology
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