title: Syncope and the history of nervous influences on the heart.
authors.affiliation: Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, USA.
authors.forename: Frederick
authors.initials: F
authors.lastname: Nahm
authors.forename: Roy
authors.initials: R
authors.lastname: Freeman
mesh_terms: D001815:Bloodletting / Q000266:history*; D001919:Bradycardia / Q000266:history / Q000503:physiopathology; D006321:Heart / Q000294:innervation*; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D007022:Hypotension / Q000209:etiology; D013575:Syncope / Q000266:history* / Q000503:physiopathology; D018667:Tilt-Table Test; D014630:Vagus Nerve / Q000502:physiology*