A mom, a medic, and a blue baby walk in the door. No, this isn't a joke - it's your next shift or could be. Learn how to appropriately work up and resuscitate patients with cyanotic congenital heart disease, focusing on single ventricle physiology. Oxygen? Fluids? Will it help or break them? These questions and more will be answered so you and the patient can take a breath until help (or a helicopter) arrives.