"Hugo Roesler (1899-1961) 3, a radiologist working in Vienna, who later emigrated to the USA, was the first to describe the characteristic inferior rib notching of coarctation of the aorta, in 1928 1,2. Just over a century earlier, the German anatomist Johann Friedrich Meckel (the younger), (1781-1833) 4 recorded the presence of rib notching in coarctation of the aorta in cadavers in 1827 1."
"Blalock-Taussig shunt: involves only upper two rib spaces"