A patient is laying on a stretcher and is admitted to the emergency department. Which patient assessment findings will the nurse identify as unstable angina or possible myocardial infarction? Select all that apply.

Pain that has not improved with sublingual nitroglycerin.

Chest pain with moderate exertion.

Patient reports intermittent chest discomfort triggered by emotional stress.

Active chest pain that has been ongoing for longer than 15 minutes.

Diaphoresis and anxiety.