title: Physiology: unhealthy surprises.
authors.forename: Dante R
authors.initials: DR
authors.lastname: Chialvo
mesh_terms: D001281:Atrial Fibrillation / Q000503:physiopathology*; D019277:Entropy; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008954:Models, Biological; D013223:Statistics as Topic; D013997:Time Factors