|Hypo tension is defined as blood pressure is less compared to normal. Supply of blood to brain, heart and some parts of the body are low. Symptoms are feeling tired, dizziness and fainting. Blood pressure is normal when it in-between 90/60 mm/Hg and 130/80 mm/Hg. In some cases hypotension causes life-threatening. The open access journals are peer reviewed scholarly angiology: open access. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in SCOPUS, COPERNICUS, CAS, EBSCO and ISI.