A relative hyperadrenergic tone related to abnormalities of the autonomic nervous system is suspected in the mechanisms of sudden death. Therefore, we assessed the role of an elevated basal heart rate in the occurrence of sudden death in a long-term cohort study.
Service de Cardiologie, Université Paris-5, Faculté Necker-enfants malades, Hôpital Européen Georges Pompidou, 20 rue Leblanc, 75015 Paris, France. xavier.jouven@egp.ap-hop-paris.fr
