Angiography or arteriography is
referred to process of medical imaging technique used to visualize the interior
organs of the body. Particular interest is given to the arteries, veins and the
heart chambers during any angiography.
The process of angiography can be divided into
many types like xray study blood vessels, cerebral angiography, coronary
angiography, pulmonary angiography, kidney angiography as per the patients'
requirement.
Coronary angiography is one of most common
angiography. It is performed to visualize the blood in the coronary arteries.
In this type of angiography a long, thin, flexible tube called a catheter is
used to administer the x-ray contrast agent at the desired area. It is then
threaded into an artery in the groin or forearm. The tip is then advanced
through the arterial system into one of our bodies' two major coronary
arteries.
An expert on the procedure of angiography can visualize
x-ray images of the transient radiocontrast distribution within the blood. He
/she can thus determine the size of the artery openings.
Cerebral angiography is usually used to
detect most vascular abnormalities of the brain like arteriovenous
malformations and aneurysms. Some doctors also perform cerebral angiography is
required to confirm brain death.
Similarly, pulmonary angiography refers to an x-ray
study of blood vessels that is supplied to the lungs. It is generally used to
find a blood clot) in these blood vessels.
Kidney angiography also known as renal angiography, on the
other hand refers to a process where an expert look at the arteries that supply
blood to the kidneys. Kidney angiography is usually done to evaluate blood flow
to the kidneys, detect any blockages/narrowing in the kidney arteries,
determine the severity of the blockage for proper diagnosis, identify a possible
cause for high blood pressure and last but not the least, identify a possible
cause for poor kidney function.
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