title: Mechanism of positive chronotropic and inotropic effects induced by 4-methylhistamine.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D002395:Catecholamines / Q000378:metabolism; D004285:Dogs; D006339:Heart Rate / Q000187:drug effects*; D006633:Histamine Antagonists; D066298:In Vitro Techniques; D008761:Methylhistamines / Q000494:pharmacology*; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000378:metabolism; D013268:Stimulation, Chemical
chemical_list: D000319:Adrenergic beta-Antagonists; D002395:Catecholamines; D006633:Histamine Antagonists; D008761:Methylhistamines; C025566:4-methylhistamine