The role of intracellular sodium ions in the regulation of cardiac contractility.
D000818:Animals; D002118:Calcium / Q000378:metabolism; D004558:Electric Stimulation; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D009200:Myocardial Contraction; D010042:Ouabain / Q000031:analogs & derivatives / Q000494:pharmacology; D011188:Potassium / Q000378:metabolism; D012508:Sarcolemma / Q000378:metabolism; D012964:Sodium / Q000502:physiology*
C000977:dihydroouabain; D010042:Ouabain; D012964:Sodium; D011188:Potassium; D002118:Calcium