A 65-year-old male presents with central chest pain lasting 2 hours. ECG reveals T-wave inversion in leads V1–V4. His baseline hs-cTn level is 549 ng/L (normal reference range < 40 ng/L). How should he now be managed?

Choose any one
CT coronary angiogram
Repeat hs-cTn level in 3 hours
Rule out other differential diagnoses
Invasive coronary angiography