|It is clinical term which is used for heart attack. If blood stops flowing to a part of the heart, then heart muscle get injured due to insufficient oxygen which leads to the myocardial infarction. Risk factors are age, excessive tobacco smoking, high lipid in blood, high blood pressure, obesity, lack of physical activity etc. It can be immediately treated by aspirin. Common symptoms are chest pain, ischemia, pain in the left arm, back and upper abdomen.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.