Gastroenterology Book


Bristol Stool Scale

Aka: Bristol Stool Scale
  1. Indications
    1. Patient identifies their typical stool appearance
  2. Types
    1. Type 1: Hard, nut-like stool lumps (difficult passage)
    2. Type 2: Sausage-shaped, lumpy stool
    3. Type 3: Sausage-shaped stool with cracked surface (not lumpy as in Type 2)
    4. Type 4: Snake-shaped, smooth, soft, stool
    5. Type 5: Soft blobs of easily passed stool with clear-cut edges
    6. Type 6: Mushy, fluffy stool pieces with ragged edges
    7. Type 7: Liquid stools with no solid pieces
  3. References
    1. Lewis (1997) Scand J Gastroenterol 32(9): 920-4 [PubMed]

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