Potts shunt is:
In POTT'S shunt: The descending aoa is anastomosed to pulmonary aery. Operative treatment of TOF consist of two types: Palliative and Definitive. Palliative treatment consist of anastomosing systemic aery and pulmonary aery to increase the pulmonary blood flow and thus increase amount of oxygenated blood reaching systemic circulation. Ref: Kliegman, Behrman, Jenson, Stanton (2008), Chapter 430.1, "Tetralogy of Fallot", In the book, "NELSON TEXTBOOK OF PEDIATRICS", Volume 2, 18th Edition, New Delhi, Pages 1908-10 ; O P Ghai Essential Pediatrics, 6th Edition, Page 409
Rt subclan aery to it pulmonary aery
Descending aoa to left pulmonary aery
Left subclan to left pulmonary aery
Ascending aoa to right pulmonary aery