Radiology Key

The pulmonary veins and atria are affected by a variety of congenital and acquired abnormalities. Echocardiography is often the initial modality used in the evaluation of atria and atrial appendages….

Venous insufficiency is defined as retrograde blood flow in the venous system resulting from incompetence of the venous valves. It is the most common pathologic process affecting the venous system….

The aorta, the largest artery in the body, pumps up to 200 million L of blood in an average lifetime. Thoracic aortic diseases range from chronic to acute and have…

The arteries of the lower extremities are commonly affected by atherosclerosis, trauma, and thromboembolism. Advanced vascular disease frequently results in limb loss and decreased life expectancy. In this chapter, key…

Pericardial disease is an important cause of morbidity and mortality. In general, diseases that affect the pericardium tend to affect it diffusely. Focal disease may be related to masses, cysts,…

The typical challenges a radiologist confront when evaluating a patient with a shunt are to decide the location, type, and size of the defect, as well as rim size and…

Coronary Artery Disease The definition of coronary artery disease is not uniform. Often any atherosclerotic plaque that is present in the coronary system, even if completely asymptomatic, will be labeled…

Normal Anatomy The main pulmonary artery arises from the right ventricle at the level of the pulmonic valve and travels approximately 5 cm before bifurcating into the left and right…

Shortly after the development of computed tomography (CT) in the early 1970s, great interest was expressed in applying this technology to imaging of the heart. In fact, less than a…

Stent Grafts Zenith Endograft The Zenith endograft (Cook Medical, Inc., Bloomington, Ind) was released in 2003 ( Fig. 19-1 ). This Food and Drug Administration (FDA)–approved woven polyester device, which…