Azygography Direct

Direct azygography (transvascular catheterization)

__Azygography.__ Azygography is an x-ray examination of the vessels of the head and neck, which is performed for the diagnosis and treatment of vascular diseases. It is also called transvascular catheterization. This type of study is aimed at assessing the condition of the arteries and veins located in the skull, as well as determining the presence of thrombotic masses or foreign bodies blocking their outflow.

The essence of the azygography method. __Direct Azigraphy__

It involves inserting a thin tube - a catheter - through a large vessel. This may be the radial artery leading to the head from the brachial