title: Rapid cooling contracture of cardiac muscle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002025:Bufonidae; D002118:Calcium / Q000494:pharmacology; D003080:Cold Temperature; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D066298:In Vitro Techniques; D008345:Manganese / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D008345:Manganese; D013779:Tetrodotoxin; D002118:Calcium