Interrelations between action potential and contractile response of heart muscle.
D000200:Action Potentials; D000818:Animals; D016275:Atrial Function; D002118:Calcium / Q000378:metabolism; D002415:Cats; D005246:Feedback; D006168:Guinea Pigs; D006321:Heart / Q000502:physiology*; D066298:In Vitro Techniques; D009119:Muscle Contraction; D009206:Myocardium / Q000378:metabolism; D010210:Papillary Muscles / Q000502:physiology; D012756:Sheep
D002118:Calcium