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Updated: Oct 26, 2025
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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
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Sarcoidosis Diagnosed by Myocardial Perfusion
1University of Texas at Austin Dell Medical School, Austin, Texas.
JACC. Case Reports
|July 28, 2021
Summary
Cardiac sarcoidosis, a rare condition, can cause syncope and palpitations. Diagnostic imaging, including myocardial perfusion studies and cardiac MRI, confirmed cardiac involvement in a patient presenting with these symptoms.
Area of Science:
- Cardiology
- Immunology
- Radiology
Background:
- Cardiac sarcoidosis is an inflammatory condition affecting the heart.
- It can present with various cardiac symptoms, including syncope and palpitations.
- Diagnosis can be challenging due to nonspecific symptoms.
Purpose of the Study:
- To highlight the diagnostic utility of myocardial perfusion studies and cardiac MRI.
- To illustrate a case of cardiac sarcoidosis presenting with syncope and palpitations.
- To emphasize the importance of considering sarcoidosis in patients with unexplained cardiac symptoms.
Main Methods:
- Case presentation of a 38-year-old woman with syncope and palpitations.
- Myocardial perfusion study to assess heart muscle blood flow.
- Cardiac magnetic resonance imaging (MRI) for detailed cardiac and systemic evaluation.
Main Results:
- Myocardial perfusion study revealed multifocal defects unrelated to coronary arteries, suggestive of cardiac sarcoidosis.
- Cardiac MRI confirmed systemic sarcoidosis with significant cardiac involvement.
- The patient's symptoms were attributed to cardiac sarcoidosis.
Conclusions:
- Multifocal perfusion defects on myocardial perfusion studies are characteristic of cardiac sarcoidosis.
- Cardiac MRI is crucial for confirming systemic sarcoidosis and assessing cardiac involvement.
- Prompt diagnosis and management are essential for patients with cardiac sarcoidosis.
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