A 58-year-old man with known ischaemic heart disease attends the emergency department with central chest pain at rest for 45 minutes. His ECG shows 2 mm ST elevation in leads II, III and aVF. What is the most appropriate immediate management?AArrange an exercise treadmill testBGive sublingual glyceryl trinitrate and review in 2 hoursCActivate the primary PCI pathway and give aspirin 300 mgDStart a beta blocker and organise outpatient angiographyEDischarge with proton pump inhibitor therapy and review in clinicCheck my answer