Estophia Hospital in Istanbul offers multidisciplinary care for both adults and children with atrial septal defect. Diagnostics start from around A$160 for a consultation with a treatment plan and include CT scans from about A$350–A$700, angiography around A$700–A$1,400, and coronary angiography up to around A$1,400. The private clinic has 87 doctors in 28 departments and attracts patients mainly from Europe, Africa, and the USA.