Tricuspid atresia

Tricuspid atresia is a form of congenital heart disease that presents at birth. In this condition, the tricuspid valve, which regulates blood flow from the right atrium to the right ventricle, is missing or abnormally developed. This results in a blockage of blood flow from the right atrium to the right ventricle, leading to low oxygen levels in the blood.

Symptoms

The symptoms of tricuspid atresia can vary greatly depending on the severity of the condition. Common symptoms include cyanosis (a bluish coloration of the skin due to low oxygen levels in the blood), shortness of breath, fatigue, and poor growth.

Causes

The exact cause of tricuspid atresia is unknown. However, it is believed to occur during the first 8 weeks of fetal development. Some researchers believe that genetic factors may play a role, but this has not been definitively proven.

Diagnosis

Tricuspid atresia is usually diagnosed shortly after birth due to the presence of cyanosis. Diagnostic tests may include an echocardiogram, electrocardiogram, and cardiac catheterization.

Treatment

Treatment for tricuspid atresia usually involves surgery to improve blood flow to the lungs and to balance the blood flow between the left and right sides of the heart. Medications may also be used to help manage symptoms.

Prognosis

The prognosis for individuals with tricuspid atresia can vary greatly depending on the severity of the condition and the individual's overall health. With proper treatment, many individuals with tricuspid atresia can lead relatively normal lives.

See also

• Congenital heart disease
• Tricuspid valve
• Cyanosis

Tricuspid atresia Resources
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