A 58-year-old with 3 hours of pressure-like chest pain and a normal ECG has an initial high-sensitivity troponin I below the assay's limit of quantitation (LoQ) and symptoms began >3 hours before arrival. Best next step?ADischarge with no further testing or follow-upBAdmit for invasive angiography within 2 hoursCRepeat hs-cTn according to institutional rapid pathway and use a validated decision pathwayDGive thrombolysis nowEStart heparin infusion immediatelyCheck my answer