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Congenital Heart Defects
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Tetralogy of Fallot (TOF)
A combination of four congenital heart defects: VSD, pulmonary stenosis, right ventricular hypertrophy, and an overriding aorta. Complications include cyanosis and delayed growth. Surgery is the primary treatment.
Hypoplastic Left Heart Syndrome (HLHS)
Underdevelopment of the left side of the heart, affecting systemic blood flow. Consequences include heart failure and shock. Treatment involves a series of complex surgeries or heart transplantation.
Transposition of the Great Arteries (TGA)
The aorta and pulmonary artery are switched from their normal positions. Complications include lack of oxygen to the body and heart failure. Initial treatment is a medication to maintain ductal patency, followed by corrective surgery.
Double Outlet Right Ventricle (DORV)
Both the aorta and pulmonary artery arise from the right ventricle. This anomaly can lead to severe cyanosis and heart failure. Corrective surgery is essential for survival.
Anomalous Left Coronary Artery from the Pulmonary Artery (ALCAPA)
The left coronary artery originates from the pulmonary artery instead of the aorta, leading to poor oxygenated blood supply to the heart muscle. This can result in myocardial infarction or heart failure in infants. Surgical reimplantation is the treatment of choice.
Pulmonary Stenosis
A narrowing of the pulmonary valve or artery that obstructs blood flow to the lungs. This can lead to right ventricular hypertrophy. Treatment options include balloon valvuloplasty or surgical repair.
Tricuspid Atresia
Tricuspid valve is missing or abnormally developed, impairing blood flow from the right atrium to the right ventricle. Complications can be severe, including hypoxemia and heart failure. Treatment typically requires multiple surgeries.
Single Ventricle Defects
A range of abnormalities resulting in a functional single ventricle, which can lead to insufficient circulation and cyanosis. Treatment involves a series of palliative surgeries culminating in the Fontan procedure.
Ebstein's Anomaly
Malformation of the tricuspid valve leading to blood leakage. Complications include heart failure and arrhythmias. Treatment may include medication, valve repair, or valve replacement.
Coarctation of the Aorta
Narrowing of the aorta that can cause hypertension and heart damage. Possible complications include burst aorta, stroke, and heart failure. Treatment typically involves surgical repair or angioplasty.
Ventricular Septal Defect (VSD)
A defect in the septal wall dividing the ventricles, which can lead to heart failure and pulmonary hypertension. Treatment can range from watchful waiting to surgical repair, depending on the size and position of the defect.
Interrupted Aortic Arch (IAA)
A discontinuity of the aortic arch that can cause severe heart failure and death if not corrected. Treatment usually involves surgical repair soon after birth.
Total Anomalous Pulmonary Venous Return (TAPVR)
Pulmonary veins fail to connect normally to the left atrium. This can result in mixing of oxygenated and deoxygenated blood, leading to cyanosis and heart failure. Surgical repair is necessary.
Atrial Septal Defect (ASD)
A hole in the septum between the heart's two upper chambers (atria). Complications may include right heart enlargement and arrhythmias. Treatments often include monitoring, medication, and potential closure by cardiac catheterization or surgery.
Patent Ductus Arteriosus (PDA)
Failure of the ductus arteriosus to close after birth, resulting in irregular blood flow between the aorta and pulmonary artery. Complications can include heart failure and endocarditis. Treatment options include medication, catheter-based procedures, or surgery.
Pulmonary Atresia
Absence or underdevelopment of the pulmonary valve, obstructing blood flow to the lungs. This can lead to heart failure or death if untreated. Treatment often involves multiple surgeries over time.
Atrioventricular Septal Defect (AVSD)
A defect which includes holes between the atria and ventricles, and abnormalities in the atrioventricular valves. Complications can include heart failure and pulmonary hypertension. Treatment generally involves surgery to repair the defect and valves.
Bicuspid Aortic Valve
The presence of only two leaflets in the aortic valve instead of the usual three. Complications may include aortic stenosis or regurgitation and an increased risk of endocarditis. Monitoring is important and intervention may include valve repair or replacement.
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