Blood vessel CT (Angiography)

The purpose of this examination is to diagnose various blood vessel problems such as damage to the blood vessels wall and the presence of blood clots.

In which cases should CT angiography be performed?

Examination of blood vessels, and blood supply to various organs including brain, neck, heart, chest, kidneys and liver, pelvis, legs and feet, arms and palms.

Diagnosis and assessment of injuries.

Aneurysm.

Obstruction of arteries by blood clots or plaques on artery walls.

Diagnosis of blood vessels reaching tumors.

Congenital abnormalities in the heart, blood vessels, or other tissues that receive blood supply from damaged blood vessels.

Identification of abnormalities in the aorta (for example, aneurysm) in the chest and abdominal cavity, as well as in other blood vessels.

Identification of plaques in the common carotid artery, which can cause stroke by narrowing of the artery until blood supply to the brain is blocked.

How should one prepare for CT angiography?

It is advised to arrive without jewelry or metals that may interfere with the scan and wear comfortable clothing.

In addition, the patient may sometimes be asked to remove their hearing aid, or detachable dental devices. Women are advised to arrive wearing a bra that does not contain metal.

The doctor should be informed of any contrast agent sensitivity. Patients with diabetes, kidney disease, thyroid disease, heart disease and asthma should consult a doctor regarding the vitality of the examination, as there is a higher risk of problems due to the contrast agent. In cases of sensitivity to iodine or asthma, anti-allergic drugs will be administered before the scan to prevent allergic reactions to the contrast agent.

In cases where a contrast agent is to be used, the patient may have to fast for 6-4 hours prior to the examination.

Women at the age of fertility should notify the doctor if they may be pregnant. The examination is not recommended for pregnant women, as it is may harm the fetus.