Case Prompt
An adult reports recurrent constipation, usually passing a dry or difficult stool every three to four days. Symptoms worsen after travel, irregular meals, and late work. Abdominal fullness precedes the bowel movement; the person also reports cold feet, intermittent upper-body warmth, and sleep disruption. The course has fluctuated for several years rather than progressing in a straight line.
A Plausible First Pattern Label
Depending on the school and the findings collected, a practitioner might initially consider qi constraint, impaired Spleen transport, fluid insufficiency, cold in the lower burner, or a mixed deficiency–excess presentation. Any one of these may become clinically useful. The problem begins when the first acceptable label is treated as a complete explanation.
Questions that remain
- Why does travel change the presentation so strongly?
- Are dry stool and abdominal fullness expressions of the same mechanism?
- How should cold feet and episodic upper warmth be related without forcing a conclusion?
- What explains the long fluctuation and the absence of a simple linear course?
- Which findings are observations, and which are interpretations that still require testing?
The Same Prompt Across Ten MLMN Layers
| Layer | Information visible in the prompt | What must remain open |
|---|---|---|
| L1 Constitution | Possible long-standing tendency toward cold extremities and lower reserve. | A constitutional inference needs a fuller history; one current symptom is not enough. |
| L2 Etiology | Irregular meals, travel, and sustained workload appear to precipitate episodes. | Precipitating conditions are not automatically the root mechanism. |
| L3 Zang-fu | Spleen–Stomach transport and Liver regulation may be relevant hypotheses. | No zang-fu conclusion should be fixed without the complete examination. |
| L4 Qi, Blood, Fluids | Difficult movement, fullness, and dryness point to questions of movement and fluid distribution. | Dry stool does not by itself establish a single deficiency pattern. |
| L5 Channels | The brief prompt does not establish a decisive channel distribution. | Record the absence of sufficient channel evidence instead of inventing it. |
| L6 Six Confirmations | The course and whole presentation would need to be tested for depth, momentum, and transition. | A symptom list cannot be silently converted into a Six-Confirmation diagnosis. |
| L7 Sanjiao | Middle-burner fullness and lower-burner elimination invite a spatial-distribution question. | Spatial description is not yet a treatment principle. |
| L8 Ministerial Fire | Cold feet with episodic upper warmth raises a question about location and movement of functional heat. | The contrast is a prompt for examination, not proof of displaced ministerial fire. |
| L9 Environment | Travel schedule, meals, work setting, sleep opportunity, climate, and hydration may modify the case. | Context should not be reduced to personal blame or lifestyle advice. |
| L10 Time | A recurrent, fluctuating multi-year course with episode-specific triggers. | Sequence, frequency, previous responses, and change across visits must be documented. |
What MLMN Changes
MLMN does not replace a final pattern formulation. It changes the work that precedes it. The clinician can now distinguish at least four tasks: describing the patient’s baseline, identifying precipitating conditions, examining the current configuration, and reconstructing the course through time.
A useful conclusion may still involve qi constraint, transport failure, dryness, cold, or another established category. The difference is that the record can show which layer supplied each inference, which relationships remain uncertain, and what evidence at a later visit would confirm or weaken the working model.
A pattern label may be correct and still be incomplete. MLMN asks what the label explains, what it compresses, and what remains untested.
Try the Framework
Use the printable worksheet to separate observations from interpretations. Do not enter names, dates of birth, contact details, or other identifying patient information.
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