II. Indication
- Diagnosis of Hydropneumothorax (Bronchopleural Fistula)
III. Pathophysiology
- Pleural Fluid in absence of Pneumothorax is silent
- In hydropneumothorax, chest contains air and fluid- When patient moves, splash sound is audible
 
IV. Technique
- Examiner auscultates lungs while:- Patient moves OR
- Assistant grasps patients Shoulders and shakes
 
