What are the indications for tapping a pleural effusion or empyema associated with pneumonia?
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What are the indications for tapping a pleural effusion or empyema associated with pneumonia? Evidence-based answer : Diagnostic thoracentesis should be performed for effusions of more than 1 cm on lateral decubitus radiographs (LDR), 5 cm on lateral erect radiographs (LER), or 2.5 cm on chest computed tomography (CCT). Patients with smaller parapneumonic effusions generally do well with standard antibiotics (SOR: B, cohort studies).
Evidence Based Practice 17(8): E3-E4