title: Head-up tilt, lower body negative pressure, pacemakers and vasovagal syncope.
authors.forename: H
authors.initials: H
authors.lastname: Kaufman
mesh_terms: D001808:Blood Vessels / Q000502:physiology*; D006257:Head / Q000502:physiology*; D006801:Humans; D008150:Lower Body Negative Pressure; D010138:Pacemaker, Artificial; D013575:Syncope; D014630:Vagus Nerve / Q000502:physiology*