Electrochemical ion gradients and the Na/Ca exchange stoichiometry. Measurements of these gradients are thermodynamically consistent with a stoichiometric coefficient greater than or equal to 3.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002463:Cell Membrane Permeability; D004563:Electrochemistry; D006329:Heart Conduction System / Q000378:metabolism*; D008433:Mathematics; D008564:Membrane Potentials; D008954:Models, Biological; D009206:Myocardium / Q000378:metabolism*; D011690:Purkinje Fibers / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*; D013816:Thermodynamics
D012964:Sodium; D002118:Calcium