Comparative studies of electrical and mechanical alternation in heart cells.
D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials; D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D002415:Cats; D004140:Dinitrophenols / Q000494:pharmacology; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006334:Heart Function Tests; D006339:Heart Rate; D006982:Hypertonic Solutions; D008274:Magnesium / Q000378:metabolism; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000502:physiology*; D013696:Temperature; D014426:Turtles
D004140:Dinitrophenols; D006982:Hypertonic Solutions; D008274:Magnesium; D000109:Acetylcholine; D002118:Calcium; D004837:Epinephrine