POTS

What is Postural Orthostatic Tachycardia Syndrome?

http://www.ninds.nih.gov/disorders/postural_tachycardia_syndrome/postural_tachycardia_syndrome.htm

http://podcasts.mayoclinic.org/2008/04/23/postural-orthostatic-tachycardia-syndrome-pots/

http://www.dinet.org/