The Merck Manual  
   An article about orthostatic hypotension and syncope.
   http://www.merck.com/pubs/mmanual/section16/chapter200/200b.htm

Syncope  
   Also known as fainting, an information sheet compiled by NINDS, the National Institute of Neurological Disorders and Stroke.
   http://www.ninds.nih.gov/health_and_medical/disorders/syncope_doc.htm

American Academy of Family Physicians  
   An article entitled: Exercise-Related Syncope in the Young Athlete: Reassurance, Restriction or Referral?
   http://www.aafp.org/afp/991101ap/2001.html

American Heart Association  
   An explanation of what syncope is, neurally mediated syncope, AHA recommendations and further resources to related issues.
   http://216.185.112.5/presenter.jhtml?identifier=4749

Cheltenham Syncope Clinic  
   Neurocardiogenic Syncope (also known as Vasovagal Syncope) and Carotid Sinus Syndrome are important, treatable, yet under-diagnosed causes of recurrent blackouts. Diagnosis and management of these conditions is explained in this website.
   http://www.syncope.co.uk