Ca ions and excitation-contraction coupling in heart muscle.
D000200:Action Potentials / Q000187:drug effects; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism / Q000494:pharmacology / Q000502:physiology*; D002417:Cattle; D004553:Electric Conductivity / Q000187:drug effects; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000502:physiology*; D006333:Heart Failure / Q000378:metabolism; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects*; D012964:Sodium / Q000494:pharmacology; D013324:Strontium / Q000494:pharmacology
D002110:Caffeine; D012964:Sodium; D000251:Adenosine Triphosphatases; D002118:Calcium; D004837:Epinephrine; D013324:Strontium