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Ebstein's malformation
Symptoms range from mild to very severe. Often, symptoms develop soon after birth and include bluish-colored lips and nails due to low blood oxygen levels. In severe cases, the baby appears very sick and has trouble breathing.
Symptoms in older children may include:
Newborns that have a severe leakage will have very low levels of oxygen in their blood and significant heart swelling. The doctor may hear abnormal heart sounds, such as murmur, when listening to the chest with a stethoscope.
Tests that can help diagnose this condition include:
Cyanotic Congenital Heart Defects. In: Park MK, Troxler RG, eds. Pediatric Cardiology for Practioners. 5th ed. St. Louis, Mo: Mosby, Inc; 2008: chap 14.