A 45-year-old presents to the ED with 2 hours of non-exertional chest pain. ECG is normal. High-sensitivity troponin at 0 and 2 hours are below the 99th percentile with delta <3 ng/L. HEART score = 2. What is the best next step?AImmediate invasive coronary angiographyBAdmit for prolonged observation and serial enzymes over 24 hCDischarge with early outpatient follow-up and return precautionsDPerform inpatient stress testing before dischargeEStart dual antiplatelet therapy empiricallyCheck my answer