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Updated: Jun 6, 2026

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
Published on: October 28, 2020
[Clinico-pathological evaluation of restrictive cardiomyopathy]
Zhuang TIAN1, Yong ZENG, Quan FANG
1Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, Beijing 100730, China.
Restrictive cardiomyopathy (RCM) impairs heart filling. Endomyocardial biopsy (EMB) identified causes in 84% of patients, including amyloidosis and eosinophilic myocarditis, aiding diagnosis.
Area of Science:
- Cardiology
- Pathology
Context:
- Restrictive cardiomyopathy (RCM) presents with diastolic dysfunction and preserved systolic function.
- Diagnosis often relies on clinical presentation and invasive hemodynamic assessment.
Purpose:
- To analyze the clinical and histopathological findings of restrictive cardiomyopathy (RCM) using endomyocardial biopsy (EMB).
- To determine the diagnostic yield of EMB in identifying the etiology of RCM.
Summary:
- Twenty-five RCM patients underwent endomyocardial biopsy (EMB).
- Heart failure symptoms were universal, with normal left ventricular size and function.
- EMB revealed amyloid deposition in 16 patients and eosinophilic myocarditis in 2.
- A conclusive diagnosis was achieved in 84% (21/25) of cases via EMB.
Impact:
- Endomyocardial biopsy (EMB) is crucial for diagnosing the diverse etiologies of restrictive cardiomyopathy (RCM).
- This study highlights the utility of EMB in guiding RCM management by identifying specific underlying conditions.
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Cardiomyopathy I: Introduction and Classification
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Myocarditis II: Clinical Features and Diagnostic Tests
