Bristol stool type + abdominal-girth trend
Bristol Stool Form Scale (Lewis 1997; type 1-7 mapped to constipation / normal / soft / diarrhea) with an optional abdominal-girth trend (girth and timestamp at two points yields the change per hour).
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Bristol stool type
- 4
Result: Bristol 4: smooth soft sausage (normal-ideal) per Lewis 1997.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Bristol 1-2
- Constipation.
- Bristol 3-4
- Normal.
- Bristol 5
- Soft (lacking fiber).
- Bristol 6-7
- Diarrhea.
- Girth >=2 cm/h
- ACS concern per SCCM 2013.
What you enter
- Bristol stool type (1-7)
- Abdominal girth at T0 (optional)
- T0 timestamp (optional, ISO)
- Abdominal girth at T1 (optional)
- T1 timestamp (optional, ISO)
How this is calculated
Lewis SJ, Heaton KW. Stool form scale as a useful guide to intestinal transit time. Scand J Gastroenterol. 1997;32(9):920-924. ANA Standards of Gastroenterology Nursing Practice 2013. SCCM 2013 abdominal compartment syndrome consensus. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.