Giant pseudoaneurysm masquerading as large pericardial effusion in a patient with old myocardial infarction

Area of Science:

• Cardiology
• Medical Imaging
• Cardiovascular Surgery

Background:

• Pericardial effusions frequently occur after anterior myocardial infarction.
• These effusions typically resolve slowly post-myocardial infarction.
• Echocardiography is the standard diagnostic tool for pericardial effusions.

Purpose of the Study:

• To highlight the potential for misdiagnosis of pseudoaneurysm as pericardial effusion.
• To emphasize the importance of considering pseudoaneurysm in persistent large effusions post-myocardial infarction.
• To report a case of misdiagnosed pseudoaneurysm in a young patient presenting with dyspnea.

Main Methods:

• Case report presentation.
• Review of diagnostic imaging (echocardiography).
• Clinical assessment of a patient with myocardial infarction and dyspnea.

Main Results:

• A young gentleman with myocardial infarction was initially misdiagnosed.
• The misdiagnosis was attributed to a large pericardial effusion.
• The underlying condition was a pseudoaneurysm, a critical complication.

Conclusions:

• Persistent large pericardial effusions post-myocardial infarction warrant careful evaluation.
• Pseudoaneurysm is a critical differential diagnosis that can be masked by effusion.
• Timely and accurate diagnosis is vital for managing post-myocardial infarction complications.