Dr. Mohammad Hossein Mandegar is an Associate professor Day General Hospital, Tehran, Iran. He has studied several specializations in Cardiology. His major interests of specializations are Valve Implantation, Coronary Artery Bypass Grafting.Currently , Dr. Mohammad Hossein Mandegar is the author/editors/reviewer in several international journals. He published 117 articles in many journals and the articles are informative and got good citations.