Objective: Atrial septal defect (ASD) is the most common congenital heart disease in adults and is evaluated by cardiac magnetic resonance (CMR) imaging. This study aimed to evaluate CMR results in ASD cases and to investigate ASD diameter and cardiac functional change. Methods: Forty-two adult patients diagnosed with ASD in CMR were evaluated retrospectively. https://steedaes.shop/product-category/injector-drivers/