Fig. 2

Emergency ambulance dispatch, prehospital ASA administration, and mortality by recorded symptom. A A total of 5418 MI patients were included. The median time from call to arrival at the hospital was similar for non-chest pain and chest pain patients who received emergency ambulances (51.5 IQR[41.1;63.5] versus 46.4 IQR[37.2;56.6] minutes), but it varied for non-chest pain versus chest pain MI patients who did not receive emergency ambulances (61.6 IQR[44.2;92.7] versus 49.7 IQR[29.9;68.8] minutes). See Additional file 1: Table S5 for additional details. B Only MI patients who received an emergency ambulance and did not have contraindications of ASA were included in this figure; this was 4150 out of the 4214 MI patients who received an emergency dispatch. ASA Acetylsalicylic acid