By:  S. Blitshteyn Published February 2010 Postural tachycardia syndrome (POTS) is a heterogeneous disorder of the autonomic nervous system, consisting of orthostatic intolerance and an increase in heart rate of more than 30 bpm within 10 min of standing or head-up tilt [1]. Human Papillomavirus Quadrivalent Vaccine, Gardasil, has been approved for prevention of cervical […]