Evaluation of fast inward current in the atrial myocardium.
D000818:Animals; D016275:Atrial Function; D004553:Electric Conductivity; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D008564:Membrane Potentials; D008722:Methods; D011893:Rana esculenta; D013395:Sucrose; D013779:Tetrodotoxin / Q000494:pharmacology
D013779:Tetrodotoxin; D013395:Sucrose