title: Electrocardiographic changes and beta-blocker toxicity.
authors.forename: Heather
authors.initials: H
authors.lastname: Long
authors.forename: Mary Ann
authors.initials: MA
authors.lastname: Howland
authors.forename: Robert S
authors.initials: RS
authors.lastname: Hoffman
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000097:blood / Q000506:poisoning*; D004562:Electrocardiography / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists