Effect of heart rate and ouabain on action of calcium on atrial contractions.
D000818:Animals; D016275:Atrial Function; D002118:Calcium / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects* / Q000502:physiology*; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D010042:Ouabain / Q000494:pharmacology*; D011817:Rabbits
D010042:Ouabain; D002118:Calcium; D009638:Norepinephrine