title: [Effect of extracellular hydrogen ion concentration on the positive inotropic effect of various drugs].
mesh_terms: D000138:Acidosis / Q000503:physiopathology*; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002118:Calcium / Q000494:pharmacology*; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium; D009278:Naphazoline / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D013268:Stimulation, Chemical; D014439:Tyramine / Q000494:pharmacology*
chemical_list: D009278:Naphazoline; D007545:Isoproterenol; D002118:Calcium; D009638:Norepinephrine; D014439:Tyramine
vernacular_title: Einfluss der extracellulären Wasserstoffionenkonzentration auf die positiv inotrope Wirkung verschiedener Pharmaka.