Acute Coronary Syndrome
Chest pain suggestive of ACS.
START
Symptoms suggestive of ACS
ACTION
EMS: ASA 162–325 mg chewed, O₂ if hypoxic, IV, 12-lead ECG
DECIDE
12-lead: STEMI?
YesReperfusion
No — NSTEMI/UA workupTroponin, risk stratify
ACTION
Reperfusion
Door-to-balloon ≤ 90 min (PCI) or door-to-needle ≤ 30 min (fibrinolysis if PCI unavailable).
ACTION
Troponin, risk stratify
Antiplatelets, anticoagulation, statin, beta-blocker as indicated.