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5. Heart Defects

Heart defects are a common complication of DiGeorge syndrome, though their specific expression varies. Some children develop a hole between the bottom chambers of the heart (a ventricular septal defect), while others have only one main vessel leading out of the heart instead of two (truncus arteriosus). Infants may also develop a complicated condition involving four separate cardiac defects (tetralogy of Fallot). Signs of these defects include a heart murmur and bluish skin due to low oxygen circulation.

Oxygen Saturation Monitor Wanmongkhol / Getty Images

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