| Puddle sign | |
|---|---|
| Differential diagnosis | ascites |
Ingastroenterology, thepuddlesign is aphysical examination maneuver that can be used to detect the presence ofascites. It is useful for detecting small amounts of ascites—as small as 120mL;shifting dullness andbulging flanks typically require 500 mL.[1]
The steps are outlined as follows:[2]
In relation toauscultatorypercussion, the puddle sign is morespecific, but lesssensitive.[3]