A 43-year-old woman with chest pain has ECG showing 2-mm ST elevation V2-V4. EMS gave aspirin 324 mg. Which ED action aligns with chronic coronary disease guidelines regarding β-blockers?ADo not delay reperfusion; β-blocker use should be based on haemodynamic stability and indicationsBAdminister high-dose β-blocker immediately to allCAvoid β-blockers in all ACSDGive nonselective β-blocker to reduce mortality instantlyESwitch to sotalolCheck my answer