Pfuhl sign

Pfuhl sign

(fūl),
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.

Pfuhl,

Eduard, German physician, 1852-1905.
Pfuhl sign - 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.