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Atrioventricular canal

2:24

Atrioventricular Septal Defect - AV Canal

2:25

Atrioventricular Septal Defect (AVSD)

3:42

Understanding Atrioventricular (AV) Septal Defect

2:53

Atrioventricular (AV) Septal Defect Repair

2:53

Complete AV canal

The proper development of the atrioventricular canal into its prospective components to create a clear division between the four compartments of the heart and ensure proper blood movement through the heart, are essential for proper heart function. When this process does not happen correctly, a child will develop atrioventricular canal defect which occurs in 2 out of every 10,000 births. It also has a correlation with Down syndrome because 20% of children with Down syndrome suffer from atrioventricular canal disease as well. This is a very serious condition and surgery is necessary within the first six months of life for a child. Half of the children who are untreated with this condition die during their first year due to heart failure or pneumonia.
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