2. Congenital Heart Disease
Congenital heart disease, also called congenital heart defect, includes a variety of malformations of the heart or its major blood vessels that are present at birth.
Healthline.com (OMS Preferred Provider)

3. What is Cyanotic heart disease?
Cyanotic heart disease is a heart defect, present at birth (congenital), that results in low blood oxygen levels. There may be more than one defect. The defect affects the structure or function of the heart or...
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4. Cyanotic heart disease
Cyanotic heart disease is a heart defect, present at birth (congenital), that results in low blood oxygen levels. There may be more than one defect.
www.uhseast.com

5. Cyanotic heart disease
Cyanotic 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).
www.clarian.org

6. Cyanotic Heart Disease Symptoms & Treatment
Normally, blood returns from the body and flows through the heart and lungs. It will then leave the heart with enough oxygen to supply the body's tissues.
www.christusschumpert.org