A 58-year-old man presents with chest pain suggestive of ACS. His ECG is non-diagnostic and the first high-sensitivity troponin is normal. According to Australian ACS pathways, what is the most appropriate next step?ADischarge immediately with no further testingBAdmit for serial ECGs and repeat high-sensitivity troponinsCGive thrombolysis immediatelyDArrange outpatient treadmill test in 6 months onlyEStart long-term warfarin without further investigationCheck my answer