It is a clinical condition in which pressure exerted by the blood in arteries is increases. There are two types of hypertension first is Primary hypertension and is second is secondary hypertension. Due to hypertension stress increases on the heart which leads to hypertensive heart diseases. If blood pressure is more than 140/90 mmHg then it is said to be hypertension.The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number ofÂ citationsÂ to recent articles published inÂ science and social science journals in a particular year or period, and is frequently used as aÂ proxyÂ for the relative importance of a journal within its field. It is first devised byÂ Eugene Garfield, the founder of theÂ Institute for Scientific Information.The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on September, 2014