Echocardiography
Angiography: gold standard but generally no longer required given other less invasive diagnostic modalities
CT or MRA
Chest x-ray
Nonspecific findings, cannot be used to make diagnosis
Prominence of<unk>  arteries
Enlarged cardiac silhouette
Classic snowman sign (for supracardiac<unk> 
ECG
May be normal
May have evidence of right ventricular hypertrophy or right atrial enlargement
Nonspecific findings, cannot be used to make diagnosis
Prominence of<unk>  arteries
Enlarged cardiac silhouette
Classic snowman sign (for supracardiac<unk> 
May be normal
May have evidence of right ventricular hypertrophy or right atrial enlargement
Total anomalous pulmonary venous return
Cyanotic
Transposition of the great arteries
Tetralogy of fallot
Tricuspid atresia
Hypoplastic left heart syndrome
Tetralogy of Fallot
Ebstein anomaly