[Heart muscle and electrolytes].
D000200:Action Potentials; D002118:Calcium / Q000378:metabolism; D006321:Heart / Q000502:physiology*; D008564:Membrane Potentials; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*
D012964:Sodium; D011188:Potassium; D002118:Calcium