title: [Influence of active antiarrhythmia substances on refractory period and contractility of guinea pig atria].
mesh_terms: D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006325:Heart Atria; D066298:In Vitro Techniques; D008012:Lidocaine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects; D009570:Nitriles / Q000494:pharmacology*; D010672:Phenytoin / Q000494:pharmacology*; D010946:Plants, Medicinal; D011342:Procainamide / Q000494:pharmacology*; D011802:Quinidine / Q000494:pharmacology*; D011926:Rauwolfia / Q000494:pharmacology*; D011930:Reaction Time / Q000187:drug effects*; D013034:Sparteine / Q000494:pharmacology*; D014665:Vasodilator Agents / Q000494:pharmacology*; D014700:Verapamil / Q000494:pharmacology
chemical_list: D000889:Anti-Arrhythmia Agents; D009570:Nitriles; D014665:Vasodilator Agents; D013034:Sparteine; D010672:Phenytoin; D008012:Lidocaine; D014700:Verapamil; D011802:Quinidine; D011342:Procainamide
vernacular_title: Der Einfluss antiarrhythmisch wirksamer Substanzen auf Refraktärzeit und Kontraktionskraft von Meerschweinschenvorhöfen.