Medical Term:

Pfuhl sign

Pronunciation: fūl

Definition: 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.

Search Stedman's Medical Dictionary

Examples: glitazone, GI cocktail, etc.

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