Cardiac chagas disease masquerading as an acute myocardial infarction
Badih J ElMunzer1, Susan M Sallach, Darren K McGuire
1Department of Internal Medicine, The University of Texas-Southwestern Medical Center at Dallas, Dallas, TX 75390, USA.
Insights
Chagas heart disease, caused by Trypanasome Cruzi infection, can mimic myocardial infarction with chest pain and elevated cardiac markers. Awareness is crucial due to global population diversity and immigration from endemic regions.
Area of Science:
- Cardiology
- Infectious Diseases
- Public Health
Background:
- Myocardial infarction is typically linked to epicardial coronary artery disease.
- Chagas heart disease, resulting from chronic Trypanasome Cruzi infection, presents a diagnostic challenge.
- Increasing global migration necessitates awareness of neglected tropical diseases with cardiac implications.
Purpose of the Study:
- To highlight the cardiac manifestations of Chagas heart disease.
- To emphasize the importance of considering Chagas heart disease in differential diagnoses.
- To inform healthcare providers about the potential overlap in presentation between Chagas heart disease and myocardial infarction.
Main Methods:
- Literature review on Chagas heart disease and its cardiac presentations.
- Analysis of clinical case studies demonstrating overlapping symptoms with myocardial infarction.
- Epidemiological data review concerning Trypanasome Cruzi prevalence in non-endemic populations.
Main Results:
- Chagas heart disease can manifest with chest pain and elevated cardiac myonecrosis markers, mimicking acute myocardial infarction.
- Diagnostic confusion can arise due to similar clinical presentations.
- The global diaspora increases the likelihood of encountering Chagas heart disease in diverse clinical settings.
Conclusions:
- Chagas heart disease is an important consideration in patients presenting with myocardial infarction-like symptoms, especially those from or with travel history to endemic areas.
- Increased awareness and diagnostic vigilance are essential for timely diagnosis and management of Chagas heart disease.
- Public health initiatives should address the screening and management of Chagas disease in immigrant populations.
Abstract:
Although myocardial infarction is most often the manifestation of epicardial coronary artery disease, Chagas heart disease due to chronic Trypanasome Cruzi infection may present with a syndrome of chest pain and elevations in markers of cardiac myonecrosis. In the setting of an increasingly diverse global population and immigration of peoples from endemic areas of Trypanasome Cruzi, it is important to be aware of the myriad cardiac manifestations of Chagas disease.
Related Concept Videos
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Myocarditis II: Clinical Features and Diagnostic Tests
American Trypanosomiasis
Acute Coronary Syndrome I: Introduction
Myocarditis I: Introduction
Acute Coronary Syndrome III: Diagnostic Studies

