Clinical Features and Linked mEchanisms in Acute Risk-free AMI

Inclusion Criteria: Patients diagnosed with acute myocardial infarction (AMI) based on standard clinical criteria (e.g., troponin elevation, ischemic symptoms, or imaging evidence of myocardial injury). Absence of traditional cardiovascular risk factors, including hypertension, diabetes, dyslipidemia, smoking, or obesity (BMI \< 30 kg/m²). Aged 18 years or older. Willing and able to provide informed consent. Exclusion Criteria: Presence of any traditional cardiovascular risk factors as defined above. History of known congenital or structural heart disease. Severe systemic diseases that could independently contribute to AMI (e.g., severe infection, malignancy, or autoimmune disorders). Recent history of major surgery or trauma within the last 3 months. Pregnancy or lactation. Inability to provide informed consent due to cognitive impairment or other reasons. Participation in another interventional clinical trial that might interfere with study outcomes.