In this video, Dr. Viveka Kumar, Senior Director - Cath Lab, Max Super Speciality Hospital, Saket, will discuss about when is the primary PCI of culprit vessel done in acute MI. The existing data suggests that the best possible treatment for the acute myocardial infarct is primary PTCA. All patients cannot get benefited by PTCA as they are unable to reach the hospital in time. He will also talk about that the trained staff should do the primary PTCA for better outcomes. If the MI patient is within the window period of 90 minutes then primary PTCA is the first option.