A 58-year-old with typical chest pain presents to the ED 2 hours after onset. ECG is nondiagnostic; high-sensitivity troponin is normal at 0 hours. What is the recommended next step using guideline-directed algorithms?AObtain a repeat high-sensitivity troponin at 1-3 hours as part of a validated pathwayBDischarge with no further testingCProceed directly to invasive coronary angiographyDOrder exercise treadmill testing immediatelyEStart empiric anticoagulation for all chest painCheck my answer