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Shifting Dullness Test
Aka: Shifting Dullness Test- Indication
- Confirming presence of Ascites
- Test Limitations
- False Positive Test
- Mesenteric fat
- Feces in bowel
- Decreased sensitivity in Obesity
- Requires at least 500 cc of ascitic fluid
- False Positive Test
- Technique
- Patient lies supine
- Percuss from tympanic bowel down to line of dullness
- Mark dullness line with a pen
- Patient turns onto side
- After 1 minute, re-mark line of dullness
- Interpretation
- Considerable shift in line of dullness suggests Ascites