Fluid from a thoracentesis is grossly purulent. The effusion from which this fluid was aspirated is best described as a(n):
A. loculated effusion
B. chylothorax.
C. empyema.
D. hydrothorax.
E. hemothorax.
Answer: C, empyema.
A grossly purulent tap would suggest staph (empyema). Loculated effusion does not describe either a trans or exudative effusion. Chylo and hydro thorax suggest a transudative effusion (not purulent). And hemothorax is blood
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