|It is a clinical condition in which blood pressure decreases in the arteries of systemic circulation. Main cause of hypotension is low blood volume, hormonal changes, broadening of blood vessels, side effects of medicine, anaemia, or other heart problems. If blood pressure is lower than 120/80 mm/Hg then it is said to be hypotension. Symptoms of hypotension are fainting, seizures, chest pain and shortness of breath.Scholarly peer review is the process of subjecting an author'sscholarlywork, research, orÂ ideasÂ to the scrutiny of others who areÂ expertsÂ in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.