Due to the widespread outbreak of Covid-19, many of the world's top universities have decided to hold the next semester virtually. In our country, too, the forecasts show a red situation for some areas in terms of corona prevalence. Due to the large number of students living in these areas, planning for the next semester of universities should be more focused on e-education. According to the in...

Introduction: Despite evidences revealing the development of electronic education in Mashhad University of Medical Sciences, there is not much information about productivity and probable challenges in virtual (online) education. This study investigates the viewpoints of bachelor science students toward advantages and disadvantages of blended online with face to face education method. Methods: ...

Introduction: Emergency school closures are often used as public health interventions during infectious disease outbreaks to minimize the spread of infection. However, Over 80% of children in the world have had their education impacted by coronavirus. For children with special needs who receive special education services, access to face-to-face education and other resources at school is of part...

Introduction: Echocardiography is a diagnostic test in that ultrasound waves are used for producing images of the heart muscle and valves. Echocardiography provides a series of useful information about the heart and its function for treatment purpose. It is especially useful for assessing valvular heart disease. Although it has no known side effect, but similar to any other medical procedure, i...