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Pleural Fluid Analysis
Analysis of a pleural fluid sample is performed to assist in diagnosing the cause of a pleural effusion. Tests performed may include biochemistry, cell counts, cytology and culture.
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Routine Tests
Other Tests
Amylase
If concern for pancreatitis
Adenosine Deaminase (ADA)
Elevation weakly suggestive of TB
Triglycerides
>110mg/dL is indicative of chylothorax
NT-ProBNP
Highly sensitive & specific for heart failure
Fluid Culture
To identify bacterial organism
Acid-Fast Bacilli
If TB pleuritis suspected
Cytology
Sensitivity ~60%
May yield a diagnosis of malignancy