Angiography is an X-ray imaging technique in which, contrasting agents are injected into the blood stream to visualize the blood vessels and help understand the abnormalities of blood vessels such as aneurysms and atherosclerosis. It is commonly used for diagnosing the heart diseases such as Coronary artery diseases. According to WHO, in 2012, 17.2 million people have died from cardiovascular diseases globally. Among them, 42.2% of the population were victims of the coronary artery disease.

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