Transesophageal echocardiogram, Transthoracic echocardiogram, Fetal echocardiogram, Dizziness, POTS, Congenital heart d...efects in children, Transposition of the great arteries, Atrial septal defect, Hypoplastic left heart syndrome, Tetralogy of Fallot, Myocarditis, Ebstein anomaly, Coarctation of the aorta, Fetal heart disease, Congenital heart disease, Ventricular septal defect, Truncus arteriosus, Chest pain, Vascular ring, Univentricular heart, Syncope, Atrioventricular canal defect, Double-outlet right ventricle, Hypoplastic right heart syndrome, Congenital heart defects in neonates and infants