title: Action potential amplitude alternans and conduction block in human hearts.
authors: Division of Cardiology, Toronto General Hospital, Toronto, Ontario, Canada.
authors: Gopal
authors: G
authors: Sivagangabalan
authors: Stéphane
authors: S
authors: Massé
authors: Krishnakumar
authors: K
authors: Nair
authors: John
authors: J
authors: Asta
authors: Kumaraswamy
authors: K
authors: Nanthakumar
mesh_terms: D000200:Action Potentials / Q000502:physiology*; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans