Original ResearchPublished 9 October 2026Phenotyping of AMI patients using machine learning: integration of clinical, metabolic, and behavioral features to identify high-risk “frailty–inflammation” phenotypeYisha Zhao · Wendi Ding · Hongyi Li · Songqi Guo · Yuying FanFrontiers in Cardiovascular Medicinedoi 10.3389/fcvm.2026.1881280