Residual Inflammation and Plaque Progression Long-term Evaluation

Inclusion Criteria: * Male or female participants \>18 years old * Able to give written, informed consent and to lie flat * First-presentation of myocardial infarction within \~2 weeks * At least mild non-culprit coronary artery disease on angiography, managed medically Exclusion Criteria: * Women of child bearing potential not using adequate contraception * Contrast allergy or contrast-nephropathy * Uncontrolled atrial fibrillation * Chronic kidney disease (eGFR \<30 mL/min/1.73 m2) * Any medical condition, in the opinion of the investigator, that prevents the participant from lying flat during scanning, or from participating in the study * Uncontrolled chronic inflammatory disorder * History of recent malignancy deemed relevant to the study by the investigator * Current use of systemic corticosteroids * Previous coronary artery bypass grafting surgery (CABG) or percutaneous coronary intervention (PCI) before the index event * Contraindication to coronary angiography * Requires CABG or staged non-culprit artery PCI