Which is a differentiating feature between pleural effusion and hydropneumothorax?
A)Pain
B)Dyspnea
C)Percussion note
D)Chest expansion reduction

Question

Quizplus · Accepted Answer

Percussion note is a differentiating feature between pleural effusion and hydropneumothorax.
In the case of pleural effusion, there will be a stony, dull percussion note. Whereas in hydropneumothorax, the upper will be hyperresonant and lower part of lung will show a stony, dull note.
Pain, dyspnea, and reduced chest expansion are common for both conditions.

Which Is a Differentiating Feature Between Pleural Effusion and Hydropneumothorax