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Bristol Stool Scale
From Wikipedia, the free encyclopedia
The Bristol Stool Scale or Bristol Stool Chart is a medical aid designed to classify the form of human feces into seven categories. Sometimes referred to in the UK as the "Meyers Scale," it was developed by Heaton and Lewis at the University of Bristol and was first published in the Scandinavian Journal of Gastroenterology in 1997.[1] The form of the stool depends on the time it spends in the colon.[2]
The seven types of stool are:
- Type 1: Separate hard lumps, like nuts (hard to pass)
- Type 2: Sausage-shaped, but lumpy
- Type 3: Like a sausage but with cracks on its surface
- Type 4: Like a sausage or snake, smooth and soft
- Type 5: Soft blobs with clear cut edges (passed easily)
- Type 6: Fluffy pieces with ragged edges, a mushy stool
- Type 7: Entirely liquid
Types 1 and 2 indicate constipation, with 3 and 4 being the "ideal stools" especially the latter, as they are the easiest to pass, and 5–7 being further tending towards diarrhea or urgency .[2]
[edit] References
- ^ Lewis SJ, Heaton KW (1997). "Stool form scale as a useful guide to intestinal transit time". Scand. J. Gastroenterol. 32 (9): 920–4. PMID 9299672.
- ^ a b ""Constipation Management and Nurse Prescribing: The importance of developing a concordant approach"" (PDF). http://www.constipationadvice.co.uk/further-resources/pam-campbell-constipation-management.pdf. Retrieved on 2006-11-06.
