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Patients undergoing percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI) are at increased risk for thrombotic and bleeding complications compared to patients with chronic coronary syndrome (CCS). The academic research consortium (ARC) recently suggested a set of criteria to identify patients at high bleeding risk (HBR). We sought to evaluate the performance of the ARC-HBR criteria among patients undergoing PCI according to clinical presentation. We included all consecutive patients undergoing PCI at a tertiary-care center. Patients were deemed at HBR if they fulfilled ≥ 1 major or ≥ 2 minor ARC-HBR criteria. The primary bleeding endpoint was a composite of in-hospital or post-discharge bleeding at 1-year follow-up. Secondary outcomes included all-cause death and myocardial infarction. Out of 6068 patients, 1391 (22.9 %) presented with AMI and …