Training-induced right ventricular remodelling in pre-adolescent endurance athletes: The athlete's heart in children

•The right ventricle adapts even in the early phases of a career of an athlete.•Training-induced right ventricular dilatation is associated with a normal function.•Right ventricular dilatation is not accompanied by wall motion abnormalities.•Right ventricular dilatation is association with left ventricular enlargement.