title: Is there a heart rate paradox--demystification of the myths?
authors.forename: J
authors.initials: J
authors.lastname: Kjekshus
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation / Q000188:drug therapy / Q000401:mortality; D002318:Cardiovascular Diseases / Q000188:drug therapy* / Q000401:mortality; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy / Q000401:mortality; D008875:Middle Aged; D018579:Patient Selection
chemical_list: D000319:Adrenergic beta-Antagonists