Aortic<unk>  on<unk>  X ray presents with irregular notching of the inferior margins of the posterior ribs resulting from collateral flow through dilated and pulsatile intercostal arteries. An inverted "3" sign of the barium-filled esophagus or a "3" sign on a highly penetrated<unk>  radiograph may be visualized. Signs of congestive heart failure cardiomegaly, pulmonary edema, and prominent pulmonary vasculature are evident on<unk>  radiograph.
Aortic coarctation chest x-ray
Aortic coarctation physical examination
Aortic coarctation electrocardiogram
Aortic coarctation echocardiography
Patent ductus arteriosus physical examination
Patent ductus arteriosus chest x ray
Pulmonic regurgitation pulmonary angiography
Pulmonary hypertension echocardiography or ultrasound