10th May 2025

Mrs Adams, a 35-year-old teacher, presents to A&E with shortness of breath on exertion, and occasional chest discomfort for the past two weeks.

Mrs Adams, a 35-year-old teacher, presents to A&E with shortness of breath on exertion, and occasional chest discomfort for the past two weeks. She recently recovered from a viral upper respiratory tract infection. She has no significant past medical history, and she does not have any known cardiac risk factors. Her family history is negative for heart disease. ECG shows sinus rhythm and no significant ST-T wave changes. Laboratory tests reveal mildly elevated cardiac biomarkers and inflammatory markers. 

In which circumstances would you recommend a patient with suspected myocarditis to undergo a cardiac PET scan?

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