Dunbar Ivy, MD is currently the Section Head of Pediatric Cardiology and the Director of the Pediatric Pulmonary Hypertension Program at the University of Colorado. He has published over 100 medical articles, primarily focusing on pulmonary hypertension in children. He discusses the importance of Pediatric Pulmonary Hypertension Guidelines, the work of the Pediatric Pulmonary Hypertension Network (PPHNet.org) and how a PH Research app could change patient care.