Hajsadeghi is currently serving in David Geffen School of Medicine, USA. She has extended her valuable service in Cardiology and has been a recipient of many award and grants. Her research experience includes various programs, contributions and participation in different countries for diverse fields of study. Her research interests  reflect in her wide range of publications in various national and international journals. 

 Heart Diseases, Heart Failure, Myocardial Infarction, Pediatric Cardiology, Arteriosclerosis, Echocardiography, Arrhythmia, Cardiovascular Imaging, Cardiomyopathy, Atrial Fibrillation, Cardiac Transplantation, Geriatric Cardiology, Arrhythmia, Cardiovascular Medicine