Echocardiogram is the non-invasive method and can diagnose<unk>  ductus<unk> . Echo along with doppler can be used to visualize the shunt from the aorta to the left pulmonary artery.
Patent ductus arteriosus echocardiography
Patent ductus arteriosus physical examination
Partial anomalous pulmonary venous connection echocardiography
Total anomalous pulmonary venous connection echocardiography
Tricuspid atresia echocardiography
Patent ductus arteriosus chest x ray
Aortic coarctation echocardiography
Aortic coarctation electrocardiogram