OverviewCyanotic heart disease is a congenital heart defect which results in low oxygen levels in the blood and causes the child's lips, fingers, and toes to look blue (cyanosis).
Update Date 11/5/2013
Updated by: Kurt R. Schumacher, MD, Pediatric Cardiology, University of Michigan Congenital Heart Center, Ann Arbor, MI. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.