Postural Orthostatic Tachycardia Syndrome: A definition of POTS and its relation to Chronic Fatigue Syndrome and the pathophysiology.
Postural Orthostatic Tachycardia Syndrome: Patient's report on causes, symptoms, and treatment.
What is Orthostatic Intolerance?: An article about orthostatic tachycardia syndrome (POTS). What it is, the prognosis as well as all the names used to refer to this disorder.