Definition: 'Pfuhl Sign'
Pfuhl signType: Term
1. the pressure of pus within a subphrenic abscess rises during inspiration and falls during expiration, the reverse of what happens in the case of a purulent collection above the diaphragm; when the diaphragm is paralyzed this distinction is lost.
The definition information for Pfuhl sign is provided by Stedman's. You can search our medical dictionary here.