What is a learning curve in primary PCI?

In this video, Dr. Viveka Kumar, Senior Director - Cath Lab, Max Super Speciality Hospital, Saket, will discuss about learning curve in primary PCI. According to the international guidelines, one should do at least 75 primary PTCA as a primary operator and should have assisted another 75 primary PTCA as a secondary operator, then only he is qualified to do a primary PTCA on his own.