Intracavitary muscle bands or aberrant bands have been well described in all four chambers of the heart but rarely seen thick muscular band crossing right atrium. We report a case of devisable secundum atrial septal defect with an intra-atrial anomalous muscular band. crossing right atrial wall to the rim of the secundum atrial septal defect warranting surgical closure. Keywords: Atri... https://fitnessgravesyardes.shop/product-category/retaining-ring/