Cardiac catheterization and<unk>  are not necessary for making a diagnosis of coarctation of aorta. They are used in cases with inconsistent diagnosis with  echocardiography. These procedures are a pre-requisite if angioplasty is planned. It is used to determine the severity, anatomy, associated cardiac defects, pressure gradient across the aorta.
Aortic coarctation angiography
Aortic coarctation echocardiography
Aortic coarctation CT
Aortic coarctation electrocardiogram
Aortic coarctation MRI
Aortic coarctation chest x-ray
Partial anomalous pulmonary venous connection echocardiography
Total anomalous pulmonary venous connection echocardiography