[Myocardial excitation--the ionic current].
D000818:Animals; D002118:Calcium / Q000502:physiology; D004553:Electric Conductivity; D006168:Guinea Pigs; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D066298:In Vitro Techniques; D007477:Ions; D008564:Membrane Potentials; D051381:Rats; D012964:Sodium / Q000502:physiology
D007477:Ions; D012964:Sodium; D002118:Calcium