title: Electromechanical alternans in the intact heart: physiology and clinical relevance.
authors: C F
authors: CF
authors: Murphy
authors: M J
authors: MJ
authors: Lab
mesh_terms: D000200:Action Potentials; D000818:Animals; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D009119:Muscle Contraction