A teenage fainter (dizziness, syncope, postural orthostatic tachycardia syndrome)

This article informs the general pediatrician about the diagnosis, evaluation, and treatment of teenage patients with presyncope and loss of consciousness. The focus is on distinguishing noncardiac fainting from life-threatening syncope. Current treatment strategies of vasovagal syncope and postural orthostatic tachycardia syndrome are also outlined.