Cor triatriatum sinister is a rare congenital heart defect in which the left atrium of the heart is divided into two chambers by a membrane. This can cause a blockage of blood flow from the left atrium to the left ventricle, leading to symptoms such as shortness of breath, fatigue, and chest pain. Treatment typically involves surgery to remove the membrane and restore normal blood flow.

The most common symptoms of Cor triatriatum sinister are shortness of breath, fatigue, and exercise intolerance. Other symptoms may include chest pain, palpitations, and coughing. In more severe cases, cyanosis (blue discoloration of the skin due to lack of oxygen) may occur.

Cor triatriatum sinister is a rare congenital heart defect that occurs when the left atrium is divided into two chambers by a membrane. The exact cause of this condition is unknown, but it is thought to be due to abnormal development of the heart during fetal development. Possible causes may include genetic mutations, environmental factors, or a combination of both.

The primary treatment for Cor triatriatum sinister is surgical repair. This involves opening the membrane and connecting the two atria. In some cases, a patch may be used to cover the opening. Other treatments may include medications to reduce the risk of blood clots, antibiotics to treat any infections, and diuretics to reduce fluid buildup in the lungs. In some cases, a pacemaker may be used to help regulate the heart rate.

1. Congenital heart defects
2. Genetic disorders such as Turner Syndrome
3. Abnormalities in the development of the left atrium
4. Abnormalities in the development of the pulmonary veins
5. Abnormalities in the development of the left ventricle
6. Abnormalities in the development of the aorta
7. Abnormalities in the development of the pulmonary artery
8. Abnormalities in the development of the inferior vena cava
9. Abnormalities in the development of the superior vena cava
10. Abnormalities in the development of the coronary arteries

At this time, there is no cure for Cor triatriatum sinister. Treatment typically involves medications to reduce the pressure in the pulmonary artery and to reduce the risk of blood clots. Surgery may be recommended in some cases to repair the abnormal heart structure.