The heart’s AV node is part of its electrical conduction system controlled by the autonomic nervous system and electrically connects the atria and ventricles. It’s well known that athletes are ...

25 We obtained information on the diagnosis of diabetes, hypertension, ischaemic heart disease (IHD), valvular heart ... tone with respect to endurance training in non-elite athletes.29 Larger atrial ...

2 The mechanisms linking the athlete’s heart to arrhythmias, which range from structural ... triggering ectopic excitation and inducing atrial and ventricular arrhythmias.3 Acute modulating factors ...