|It is clinical condition which is characterized by abnormal dilation of a part of the coronary artery. It can be occur due to coronary angiography. Some of the important causes are atherosclerosis, Kawasaki diseases and coronary catheterization etc. The main cause behind dilation of artery is relaxation of blood vessels. It can be managed by proper diet modification, regular exercise, and medication.A journalÂ is aÂ periodical publicationÂ intended to further progress ofÂ science, usually by reporting newÂ research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, andÂ scientific papersÂ across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientificÂ validity. Each such journal article becomes part of the permanent scientific record.