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학습 자료 둘러보기 →The most characteristic finding is dullness to percussion over the affected area due to pus accumulation in the pleural space. This is often accompanied by decreased or absent breath sounds and decreased tactile fremitus on the same side.
Chest X-ray or CT will show a loculated pleural effusion, and diagnosis is confirmed by thoracentesis revealing purulent fluid with a pH < 7.2 and positive cultures.
Do not confuse with a pneumothorax, which presents with hyperresonance and absent breath sounds. A chest tube is required for drainage, and prompt antibiotic therapy is critical to prevent sepsis.
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