 Current programs include providing ACPs with discretionary direct 24-hour access to PCI labs, bypassing the emergency department, and representing a fundamental change in both the way that patients with S-T segment elevation myocardial infarctions (STEMI) are treated, but also profoundly affecting survival rates, as well as bypassing a closer hospitals to get an identified stroke patient to a stroke centre.Critical care paramedics (CCPs) are paramedics who generally do not respond to 9-1-1 emergency calls, with the exception of helicopter "scene" calls.Instead they focus on transferring patients from the hospital they are currently in to other hospitals that can provide a higher level of care.