cyanotic heart disease

Cyanotic heart disease refers to a group of congenital heart defects that cause low oxygen levels in the blood, leading to a bluish tint in the skin and lips. These conditions typically involve abnormalities in the heart’s structure that allow deoxygenated blood to bypass the lungs or mix with oxygen-rich blood, reducing overall oxygen delivery to the body. Common types include Tetralogy of Fallot and transposition of the great arteries. Prompt diagnosis and treatment—often surgery—are essential to improve oxygen flow, prevent complications, and support healthy growth and development.