Gastroenterology · Primary Care
Bristol Stool Form Scale calculator
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Clinical inputs
- Stool form type
Primary source
Lewis SJ, Heaton KW. Stool form scale as a useful guide to intestinal transit time. Scand J Gastroenterol. DOI: 10.3109/00365529709011203. PMID: 9299672. Scope: seven visual stool types correlating with colonic transit; types 1–2 suggest slow transit/constipation phenotype, 3–4 preferred, 5–7 suggest rapid transit/diarrhea phenotype. (1997)
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