1st June 2026

Ms Rachel Adams, a 64-year-old female, presents to the emergency department with a 3-hour history of intermittent chest discomfort, described as pressure-like and radiating to the neck.

Ms Rachel Adams, a 64-year-old female, presents to the emergency department with a 3-hour history of intermittent chest discomfort, described as pressure-like and radiating to the neck. She has a history of hypertension and hyperlipidemia but no prior cardiovascular events. Her ECG is unremarkable, and initial troponin levels are below the detection threshold.

What is the most appropriate next step to clarify her diagnosis?

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