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 10/22/2015
Updated by: Larry A. Weinrauch, MD, Assistant Professor of Medicine, Harvard Medical School, Cardiovascular Disease and Clinical Outcomes Research, Watertown, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.