Intravascular ultrasound

IVUS; Ultrasound - coronary artery; Endovascular ultrasound; Intravascular echocardiography

Intravascular ultrasound (IVUS) is a diagnostic test. This test uses sound waves to see inside blood vessels. It is useful for evaluating the coronary arteries that supply the heart.

Anterior heart arteries

The coronary arteries supply blood to the heart muscle. The right coronary artery supplies both the left and the right heart; the left coronary artery supplies the left heart.

Coronary artery blockage

Atherosclerosis is a common disorder of the arteries. Fat, cholesterol, and other substances collect in the walls of arteries. Larger accumulations are called atheromas or plaque and can damage artery walls and block blood flow. Severely restricted blood flow in the heart muscle leads to symptoms such as chest pain.

Cardiac catheterization

Cardiac catheterization is used to study the various functions of the heart. Using different techniques, the coronary arteries can be viewed by injecting dye or opened using balloon angioplasty. The oxygen concentration can be measured across the valves and walls (septa) of the heart and pressures within each chamber of the heart and across the valves can be measured. The technique can even be performed in small, newborn infants.

Description

Why the Procedure Is Performed

Risks

After the Procedure