A 55-year-old woman reports exertional chest pain. High-sensitivity troponin at 0 and 2 hours is below the assay 99th percentile with no delta; ECG normal; HEART score 2. According to chest pain guideline, what is appropriate disposition?AAdmit for invasive angiographyBObservation admission with stress testing within 24 hCImmediate coronary CT angiographyDDischarge with outpatient follow-up and risk factor managementEStart IV heparin and admit to ICUCheck my answer