title: Cardiac effects of menadione and its semiquinone.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors; D000818:Animals; D000252:Calcium-Transporting ATPases / Q000037:antagonists & inhibitors; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects; D010084:Oxidation-Reduction; D014812:Vitamin K / Q000031:analogs & derivatives* / Q000378:metabolism / Q000633:toxicity*; D024483:Vitamin K 3 / Q000031:analogs & derivatives*
chemical_list: D014812:Vitamin K; C051790:menadione semiquinone; D024483:Vitamin K 3; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D000252:Calcium-Transporting ATPases