title: Defective cardiac parasympathetic control in patients with heart disease.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000328:Adult; D000367:Age Factors; D000368:Aged; D001285:Atropine / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects; D001916:Brachial Artery; D004562:Electrocardiography; D006331:Heart Diseases / Q000503:physiopathology*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D008875:Middle Aged; D010275:Parasympathetic Nervous System / Q000187:drug effects / Q000503:physiopathology*; D010656:Phenylephrine / Q000008:administration & dosage / Q000494:pharmacology; D005082:Physical Exertion; D011311:Pressoreceptors / Q000187:drug effects; D011433:Propranolol / Q000494:pharmacology; D012146:Rest
chemical_list: D000319:Adrenergic beta-Antagonists; D010656:Phenylephrine; D001285:Atropine; D011433:Propranolol