In the field of research and scientific research, this center has been able to carry out extensive activities with the cooperation of experienced doctors and professors in the field of clinical and experimental research. Preparation of 11 databases related to the field of cardiovascular diseases, experimental research department and establishment of Animal lab, including operating room and special care departments, and special lab coats for animals, have been formed for research studies. In addition to internal research projects, Cardiology Research Institute has participated in international joint projects in various fields of cardiovascular diseases, and its results have been published and sometimes are being completed and published, and annually more than 110 scientific articles in prestigious journals. International scientific research is printed and published. The existence of the scientific journal of Tehran Heart Center, which contains many valid domestic and foreign scientific articles, is published quarterly and indexed in the Pubmed profile. This large medical, educational and research complex with about 1400 personnel, including doctors, nurses, experienced technicians and support and administrative staff, by providing the best services derived from the international ISO 9001 and 2000 standards, has been able to obtain the certificate related to BTS get international This center has provided international patient admission department (IPD) with all treatment and outpatient services for them.