Effect of excess magnesium on vagal inhibition and acetylcholine sensitivity of the mammalian heart in situ and in vitro.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001794:Blood Pressure; D002118:Calcium / Q000097:blood / Q000494:pharmacology; D002415:Cats; D004562:Electrocardiography; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D066298:In Vitro Techniques; D008274:Magnesium / Q000097:blood / Q000494:pharmacology*; D009132:Muscles / Q000187:drug effects; D014630:Vagus Nerve / Q000502:physiology*
D008274:Magnesium; D000109:Acetylcholine; D002118:Calcium