Tuberculous pericarditis diagnostic study of choice
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Differentiating Tuberculous pericarditis from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Fahimeh Shojaei, M.D.
Overview
Pericardiocentesis is the gold standard test for the diagnosis of tuberculous pericarditis. Pericardial biopsy must be performed when we can't find acid fast bacilli in sputum or pericardial fluid. Finding acid fast bacilli on pericardiocentesis is confirmatory for tuberculous pericarditis.
Diagnostic Study of Choice
Study of choice
- Pericardiocentesis is the gold standard test for the diagnosis of tuberculous pericarditis.
- Pericardial biopsy must be performed when:
- We can't find acid fast bacilli in sputum or pericardial fluid.
Diagnostic results
The following finding on pericardiocentesis is confirmatory for tuberculous pericarditis:
- Acid fast bacilli
Sequence of Diagnostic Studies
The various investigations must be performed in the following order:
- Imaging (CXR, CT scan, MRI)
- Echocardiography
- Evaluation of sputum for acid-fast bacilli (AFB)
- Evaluation of pericardial fluid for acid-fast bacilli (AFB)
- Lymph node biopsy
- Pericardial biopsy
Diagnostic Criteria
There are no established criteria for the diagnosis of tuberculous pericarditis.