ECG
May be normal
May have evidence of left or right ventricular hypertrophy
Chest x-ray
Enlarged cardiac silhouette
Increased pulmonary vascular markings
May see absent thymus in patients with TA associated with DiGeorge syndrome
Echocardiography
May be normal
May have evidence of left or right ventricular hypertrophy
Enlarged cardiac silhouette
Increased pulmonary vascular markings
May see absent thymus in patients with TA associated with DiGeorge syndrome
Truncus arteriosus
Cyanotic
Patent ductus arteriosus
Tetralogy of fallot
Ebstein anomaly
Total anomalous pulmonary venous return
Tricuspid atresia
Transposition of the great arteries