Test Overview
An angiogram of the lung is an
X-ray test that uses a special dye and camera (fluoroscopy) to take pictures of the blood flow in the
blood vessels of the lung.
During an angiogram, a thin tube called a catheter is placed into
the femoral blood vessel
(femoral vein) in the groin or
just above the elbow (brachial vein). The catheter is guided to the area to be
studied. Then an iodine dye (contrast material) is injected into the
vessel to make the area show clearly on the X-ray pictures. The angiogram
pictures can be made into regular X-ray films or stored as digital pictures in
a computer.
Lung (pulmonary) angiogram is used to check the arteries that lead
to the lungs (pulmonary arteries) and the blood vessels in the lungs. It can
also find narrowing or a blockage in a blood vessel that slows or stops blood
flow. See an image of an
angiogram
showing the blood flow of the lungs
.