Pericardial Effusion From Acute Myocardial Infarction: Contributing Factors and Prognosis at One Year (EPERICARDIM)

• Patient between 18 and 90 years old
• Patient admitted to the acute or semi-recent phase (within the next fifteen days) of a myocardial infarction (primary or recurrent myocardial infarction) documented by a significant enzymatic release of troponin (threshold value at 100) in the course of: chest pain or shock, or flare-up of heart failure (left or global) or successfully resuscitated cardiac arrest, or paroxysmal ventricular arrhythmia with or without sus shift of the ST segment on the input trace, with or without Q wave of necrosis formed. This IDM may or may not be complicated by a more or less abundant pericardial effusion of more than 10 mm in the left parasternal, which may in the extreme be the cause of tamponade;
• Subject affiliated or beneficiary of a social security scheme;
• Patient having signed the free and informed consent.

Exclusion Criteria:

• Patient with a pericardial detachment of less than 10 mm, or only systolic;
• Patient who had a break-in during the primary angioplasty guide or complicated coronary dissection extravasation with secondary pericardial effusion;
• Patient with advanced chronic renal failure
• Patient unable to perform an MRI (with a defibrillator or pacemaker).
• Known allergy to contrast agents, in particular gadolinium
• claustrophobic patient;
• Protected patient: adult under guardianship or other legal protection, deprived of liberty by judicial or administrative decision;
• Pregnant or breastfeeding woman;
• Patient hospitalized without consent.