Improving use of prehospi- tal 12-lead ECG for early identification and treatment of acute coronary syndrome and ST-elevation myocardial infarction. Circ Cardiovasc Qual Outcomes. 2010;3:316 23. 140. Curtis JP, Herrin J, Bratzler DW, et al. Trends in race-based differences in door-to-balloon times. Arch Intern Med. 2010;170:992 3. 141. Krumholz HM, Herrin J, Miller LE, et al. Improvements in door-to- balloon time in the United States, 2005 to 2010. Circulation. 2011;124: 1038 45. 142. Bonnefoy E, Lapostolle F, Leizorovicz A, et al. Primary angioplasty ver- sus prehospital fibrinolysis in acute myocardial infarction: a randomised study. Lancet. 2002;360:825 9. 143. Castaigne AD, Herv C, Duval-Moulin AM, et al. Prehospital use of AP- SAC: results of a placebo-controlled study. Am J Cardiol. 1989;64:30A- -33A; discussion 41A 42A. 144. Danchin N, Blanchard D, Steg PG, et al. Impact of prehospital thrombol- ysis for acute myocardial infarction on 1-year outcome: results from the French Nationwide USIC 2000 Registry. Circulation. 2004;110:1909 15. 145. The European Myocardial Infarction Project Group. Prehospital throm- bolytic therapy in patients with suspected acute myocardial infarction. N Engl J Med. 1993;329:383 9. 146. Roth A, Barbash GI, Hod H, et al. Should thrombolytic therapy be ad- ministered in the mobile intensive care unit in patients with evolving myocardial infarction? A pilot study. J Am Coll Cardiol. 1990;15:932 6. 147. Schofer J, B ttner J, Geng G, et al. Prehospital thrombolysis in acute myocardial infarction. Am J Cardiol. 1990;66:1429 33. 148. Bj rklund E, Stenestrand U, Lindb ck J, et al. Pre-hospital thromboly- sis delivered by paramedics is associated with reduced time delay and mortality in ambulance-transported real-life patients with ST-elevation myocardial infarction. Eur Heart J. 2006;27:1146 52. 149. Morrow DA, Antman EM, Sayah A, et al. 