A 72-year old female patient with complaints of congenital hole and rhythm disorder, which remained undiagnosed and undetectable for several years, attended to the Cardiology Centre of the Hospital of Near East University and the patient was treated in line with the diagnosis of ASD (Antrial Septal Defect). After the diagnosis of the congenital hole, the patient was treated with a procedure similar to an angio-like procedure within 15 minutes and the congenital hole was closed.