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Phantom pleural effusion, curvilinear transducer. The curvilinear transducer is most commonly used for this purpose as it gives a broad and deep field of view.
A: Chest wall (pork rib cage)
B: Pleural fluid (water inside plastic bag)
C: Lung (synthetic sponge also in the water‐filled plastic bag) To achieve the appearance of empyema where the effusion contains echogenic debris, add a teaspoon of Metamucil (psyllium husk) to the liquid.
