A characteristic of the rate response which is common to several compounds that stimulate the heart.
D000639:Amitriptyline / Q000494:pharmacology*; D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D000242:Cyclic AMP / Q000378:metabolism / Q000502:physiology; D004305:Dose-Response Relationship, Drug; D004837:Epinephrine / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects*; D006571:Heterocyclic Compounds / Q000494:pharmacology*; D006632:Histamine / Q000494:pharmacology; D008297:Male; D018377:Neurotransmitter Agents / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D011817:Rabbits; D013268:Stimulation, Chemical; D013806:Theophylline / Q000494:pharmacology
D006571:Heterocyclic Compounds; D018377:Neurotransmitter Agents; D000639:Amitriptyline; D002110:Caffeine; D006632:Histamine; D013806:Theophylline; D000242:Cyclic AMP; D009638:Norepinephrine; D004837:Epinephrine