Complete transposition of great vessels
What is it?
Transposition of the great arteries (TGA) is a congenital heart defect characterized by reversed arteries leaving the heart. In a complete transportation, or dextro- transposition, the aorta and the pulmonary artery have switched positions, thus, blood rich with oxygen cannot reach the body cells, causing symptoms during pregnancy or right after birth. This condition must be corrected to avoid complications. Risk factors include history of rubella or viral illness during pregnancy, drinking alcohol or taking certain drugs during pregnancy, smoking and a poorly controlled maternal diabetes.
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Signs & symptoms
Symptoms include blue color of the skin, shortness of breath, weak pulse, lack of appetite and poor weight gain.
Diagnosis
Diagnosis may be done during pregnancy, if seen on an ultrasound examination. If this condition is suspected, a fetal echocardiogram may be done. After birth the condition is diagnosed in physical examination. Further evaluation may include echocardiogram, chest X-ray, and an ECG.
Treatment
Treatment for this condition requires surgery, and before surgery medication is given to increase blood flow.
☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.
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