Hill Grade (Gastroesophageal Flap Valve)
Hill grade of the gastroesophageal flap valve, read on a retroflexed view of the cardia.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Flap valve appearance
- IV - no fold at all; the lumen stays open and the squamous mucosa is…
Result: Hill grade IV: no fold at all, and a hiatal hernia is always present.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Flap valve appearance
How this is calculated
Hill LD, Kozarek RA, Kraemer SJ, Aye RW, Mercer CD, Low DE, Pope CE 2nd. The gastroesophageal flap valve: in vitro and in vivo observations. Gastrointest Endosc. 1996;44(5):541-547. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.