Two dimensional echocardiography allows assessment of the transverse aortic arch, the isthmus, the severity of coarctation, and other associated cardiac abnormalities.  Doppler echocardiography helps to decide the gradient across the coarctation and helps in making decisions regarding treatment.
Aortic coarctation echocardiography
Aortic coarctation electrocardiogram
Aortic coarctation chest x-ray
Aortic coarctation physical examination
Aortic coarctation MRI
Patent ductus arteriosus echocardiography
Aortic coarctation CT
Partial anomalous pulmonary venous connection echocardiography