Suggestion for immediate pre-hospital measures in patients with acute coronary syndromes (ACS). Other dosing or oral administration of acetylsalicylic acid (ASA) – within the frame of the new European Society of Cardiology (ESC) guidelines – may also be applied, depending on local practice. (LBBB, left bundle branch block; NSTEMI, non-ST-elevation myocardial infarction; STEMI, ST-segment elevation myocardial infarction.)