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Overview

A congenital heart defect is a problem with the structure of the heart. Congenital heart defects are present at birth and are the most common type of major birth defect.
Anatomy
The heart is a hollow, muscular, complex organ that pumps blood throughout the body. It includes four separate chambers, four valves, and an electrical impulse system that work together to receive and distribute blood in a highly organized manner. The heart needs separate chambers and valves to keep oxygena...Read the full article