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[Hemorrhagic cardiac tamponade without heart rupture during a myocardial infarct. A clinical case]
F Cárdenas1, M Navarro, A Silva
1Pontificia Universidad Católica de Chile, Departamento de Enfermedades Cardiovasculares, Santiago.
Insights
Cardiac tamponade after myocardial infarction can mimic right ventricular infarction. This case highlights hemorrhagic tamponade likely due to late thrombolysis and post-infarction pericarditis, requiring surgical intervention.
Area of Science:
- Cardiology
- Internal Medicine
Background:
- Cardiac tamponade is a critical complication of acute myocardial infarction (AMI).
- It is often caused by cardiac rupture and can be misdiagnosed as right ventricular infarction.
- Late systemic thrombolysis is a treatment for AMI, but its complications require careful monitoring.
Observation:
- A patient with AMI developed cardiac tamponade seven days after receiving late systemic thrombolysis.
- Echocardiography suggested the diagnosis, which was confirmed by hemodynamic measurements.
- Initial pericardiocentesis provided partial relief, but emergency surgery was ultimately necessary.
Findings:
- Surgical exploration revealed hemorrhagic infarction, not cardiac rupture.
- The patient's condition was attributed to a combination of late thrombolysis and post-infarction pericarditis.
- This suggests a complex etiology for tamponade in the context of AMI.
Implications:
- This case underscores the potential for delayed complications following thrombolysis in AMI patients.
- It highlights the importance of considering hemorrhagic infarction and pericarditis in tamponade diagnosis.
- Management may require a multidisciplinary approach involving medical and surgical interventions.
Abstract:
Cardiac tamponade during acute myocardial infarction is a life-threatening complication that can be confounded with right ventricular infarction. The most frequent cause of this complication is cardiac rupture. We report here a patient with acute myocardial infarction that developed cardiac tamponade on day 7, after receiving late systemic thrombolysis. The diagnosis was suspected with echocardiography and confirmed with hemodynamic measurements. The tamponade was partially relieved with pericardiocentesis but afterwards required emergency surgery. No cardiac rupture was found but an hemorrhagic infarction. We conclude that in this case the hemorrhagic tamponade was probably related both to late thrombolysis and to post infarction pericarditis.