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[Coronary embolism revealing mitral valve stenosis]
1Service des Maladies cardiovasculaire, Groupe hospitalier Cochin, Paris.
Insights
A rare case of myocardial infarction in a 39-year-old woman was diagnosed as coronary embolism, despite normal coronary arteriography. This condition, often caused by blood clots, requires preventive treatment.
Area of Science:
- Cardiology
- Vascular Medicine
- Diagnostic Imaging
Background:
- Myocardial infarction (MI) typically involves coronary artery disease.
- Coronary embolism is a rare cause of MI, often presenting with normal coronary arteriography.
- Mitral stenosis can be associated with cardiac arrhythmias and thromboembolic events.
Observation:
- A 39-year-old woman presented with symptoms of MI.
- Echocardiography revealed tight mitral stenosis, atrial extrasystoles, and spontaneous atrial contrast.
- Coronary arteriography showed no significant coronary artery disease.
Findings:
- The most probable diagnosis was coronary embolism.
- Coronary embolism involves the occlusion of coronary arteries by emboli, leading to myocardial necrosis.
- Diagnosis is typically confirmed via coronary arteriography, though this case highlights diagnostic challenges.
Implications:
- This case underscores the importance of considering coronary embolism in MI patients with normal coronary arteriography, especially those with valvular heart disease.
- Early diagnosis and preventive treatment are crucial for managing coronary embolism.
- Further research into the specific risk factors and diagnostic nuances of coronary embolism in young women is warranted.
Abstract:
We report a case of myocardial infarction with normal coronary arteriography in a 39-year-old woman presenting with tight mitral stenosis complicated by atrial extrasystoles and spontaneous atrial contrast at echocardiography. The diagnosis of coronary embolism was most probable. Coronary embolism is a rare disease, usually due to a blood clot or, less frequently, to a vegetation of endocarditis starting in a heart valve. The left network is usually involved, with typical myocardial necrosis. Coronary arteriography is sufficient to make the diagnosis. Preventive treatment is essential.