What is angiography used for?

Angiography is a radiological examination that allows the study of blood vessels not visible on conventional radiographs. Its purpose is to detect vascularization disorders. It can also be prescribed before an operation to precisely identify the path of the blood vessels.

What is angiography?

This examination uses x-rays and an iodine-based contrast agent: its principle is to make visible (or opaque) the arterial or venous vessels. A catheter is introduced into the vessel to inject the contrast medium which mixes with the blood: the vascular system becomes visible on the radiological plates thanks to the radiopaque properties of iodine.

How does an angiogram work?

The angiography room consists of

Is angiography painful?

The placement of the catheter in the vessel is the most unpleasant moment of the examination. Local anesthesia does not hurt. It is a simple sting. The rest of the examination is not painful.Injecting the contrast medium will cause a feeling of heat in the perfused limb then throughout the body. This is a normal and transitory reaction.

How to prepare for an angiogram?

What are the risks of angiography?

A few days earlier, a blood test will be done to check your blood clotting. It is necessary to be fasting for the examination: do not eat, drink or smoke four to six hours before. Arrested by your doctor. If you are allergic, tablets will be prescribed for you the day before and the day of the test.

Remember to bring


The introduction of the catheter may be responsible for an infection or a hematoma. Careful disinfection of the skin and compression of the vessel will avoid them. The contrast agent may be responsible for an allergic reaction. If you have suitable soil, tablets will be prescribed the day before and the same day. X-rays are not dangerous because of the very low doses used.

The apparatus which consists of a tilting table above which an articulated arm with an X-ray tube moves .; The control desk behind which the medical staff is located and which is separated from the rest of the Piece by a leaded glass.

The letter of your doctor and your prescriptions Your social insurance card Your old pictures that will allow a comparison The contrast product if you have been prescribed. >

If you are allergic. If you are pregnant or think you may be pregnant,