title: Calcium, sodium, and potassium interactions during cardiac contractions.
mesh_terms: D000818:Animals; D016275:Atrial Function; D001639:Bicarbonates / Q000494:pharmacology; D002025:Bufonidae; D002118:Calcium / Q000032:analysis / Q000378:metabolism* / Q000494:pharmacology; D002127:Calcium Isotopes; D004558:Electric Stimulation; D005260:Female; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction; D009206:Myocardium / Q000032:analysis; D011188:Potassium / Q000032:analysis / Q000378:metabolism* / Q000494:pharmacology; D012964:Sodium / Q000032:analysis / Q000378:metabolism / Q000494:pharmacology; D013395:Sucrose / Q000494:pharmacology
chemical_list: D001639:Bicarbonates; D002127:Calcium Isotopes; D013395:Sucrose; D012964:Sodium; D011188:Potassium; D002118:Calcium