Risk assessment after myocardial infarction is critical in daily practice and evolution toward heart failure especially diastolic heart failure remains a key issue. All consecutive patients with myocardial infarction (either STEMI or NSTEMI but excluding type 2 MI) presenting at university hospital of Lille within 48 hours after symptom onset will be recruited in the RIGID-MI registry. The RIGID-MI study proposes to deeply evaluate at 1 month after MI: peripheral vascular disease, vascular stiffness, ventriculo-arterial coupling and other usual risk factors. The main objective is to identify clinical, biological and imaging parameters associated with poor prognosis, especially evolution toward diastolic heart failure, recurrence of MI, and bleeding.

Inclusion Criteria:

• Signed informed consent
• Affiliated to national health insurance (French social security number)
• Presenting with MI within 48 hours of symptom onset

Exclusion Criteria:

• Patient under curatorship
• Type 2 MI
• Presenting with MI after 48 hours of symptom onset
• Pregnancy or lactating
• Refuse to participate
• No national health insurance (No French social security number)

All consecutive patients with myocardial infarction (either STEMI or NSTEMI but excluding type 2 MI) presenting at university hospital of Lille within 48 hours after symptom onset will be recruited in the RIGID-MI registry.

Over a 5-year period of time from 2019 to 2024. Planned population of 2000 patients. Follow-up every year by visit or phone contact up to 5 years.