30th May 2026

Mr Alan Hughes, a 62-year-old male, presents to the emergency department with a 4-hour history of retrosternal chest pain that began after carrying heavy boxes.

Mr Alan Hughes, a 62-year-old male, presents to the emergency department with a 4-hour history of retrosternal chest pain that began after carrying heavy boxes. He describes the pain as a dull, pressure-like sensation that radiates to his left arm. He has no history of similar episodes. His ECG shows no ST-segment elevation but does show T-wave inversions in the inferior leads. His troponin levels are negative. After initial stabilisation with aspirin, nitroglycerin, and morphine, he remains symptomatically stable. What is the most appropriate next step in his management?

Select the SINGLE most appropriate option from the list below. Select ONE option only.