<prompt> Answer this question truthfullyTo what does the 80 in Lead EKG refer?  <response>: <reason> Registry data from the National Registry of Myocardial Infarction NRMI, CRUSADE and GRACE have demonstrated that there are significant opportunities for improvement in door-to-balloon time and door-to-needle time in the management of serious heart attacks STEMI. The 80 lead ECG may provide a technological advance that would speed the correct diagnosis of ST elevation MI. A substantial number of patients have a non-diagnostic 12-lead and these patients may wait for extended periods in the emergency room pending the results of tests that measure enzymes released into the bloodstream biomarkers to diagnose a heart attack. 