A 58-year-old man presents with 45 minutes of central chest pain radiating to his left arm. ECG shows 2 mm ST elevation in V2-V4. Which intervention should be given immediately in the emergency department, provided there is no contraindication?AHigh-dose intravenous morphine as first-line analgesia without antiplateletsBOral acetylsalicylic acid 160-325 mg chewedCRoutine thrombolysis with tenecteplase without reperfusion planningDImmediate intravenous unfractionated heparin bolus onlyEPrimary PCI deferred for 24 hours if pain settlesCheck my answer