Discordant ventriculoarterial connection, also known as transposition of the great arteries (TGA), is a congenital heart defect where the two main blood vessels that carry blood away from the heart, the aorta, and the pulmonary artery, are switched. This condition disrupts the normal blood flow, leading to severe complications if left untreated.
Discordant ventriculoarterial connection occurs when the aorta arises from the right ventricle, carrying oxygen-poor blood to the body, while the pulmonary artery arises from the left ventricle, carrying oxygen-rich blood back to the lungs. This abnormality causes a complete separation of the systemic and pulmonary circulations.
Although the exact cause of discordant ventriculoarterial connection is unknown, certain risk factors have been identified. Maternal conditions like diabetes, rubella infection during pregnancy, and exposure to certain medications or toxins are known to increase the risk of this defect. It can also occur as a result of genetic abnormalities or familial inheritance.
Diagnosing discordant ventriculoarterial connection typically occurs during routine prenatal ultrasounds or soon after birth. Common signs and symptoms include cyanosis (bluish discoloration of the skin), rapid breathing, poor feeding, and failure to thrive. An echocardiogram is often performed to confirm the diagnosis and assess the severity of the condition.
Discordant ventriculoarterial connection is a complex congenital heart defect that requires early diagnosis and appropriate management. With advancements in medical technology and surgical techniques, the prognosis for individuals with this condition has significantly improved. Regular follow-up care and close monitoring are essential to ensure the best possible outcomes for
Discordant ventriculoarterial connection, also known as transposition of the great arteries, is a congenital heart defect in which the two main arteries that carry blood out of the heart, the pulmonary artery and the aorta, are switched. This condition requires prompt medical intervention to ensure the best possible out...
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