03/06/2026
I sometimes joke with my patients that I must have time-travelled here from ancient times, simply because I love reading original TCM texts in traditional Chinese. I even whisper to them that I can tell their entire life story just by taking their pulse, which is obviously a bit of a stretch.
In reality, pulse reading is just one part of a practical, sensory toolkit. It is not everything. In TCM, we call these the Four Diagnostics (四诊, Sì Zhěn). In the past, without modern technology, physicians relied on their own senses to gather clues about a person's health.
1. Inspection (望, Wàng)
The assessment begins the moment you walk through the door, or even while you are seated in the waiting area if I happen to catch a glimpse of you. I look at your general vitality, your posture, your complexion, and your micro-expressions.
I also examine the tongue, which acts as a map of your internal health. Its shape, colour, and coating can provide immediate clues about digestion, circulation, and energy levels.
2. Listening and Smelling (闻, Wén)
This step is about the subtle signals your body gives off. It means listening to the strength of your voice, the sound of your breathing, and your scent.
A loud, forceful voice may point to an excess pattern, while a faint whisper can suggest deficiency. Sometimes, even subtle changes in body odour can provide useful clues about what may be happening internally.
3. Inquiry (问, Wèn)
This is a detailed conversation that goes far beyond your main complaint.
We talk about your sleep, digestion, appetite, energy levels, emotional state, and whether you tend to feel easily chilled or overheated. It helps connect your daily habits and lifestyle to your physical symptoms.
This is not the time to tell a physician to "take my pulse and tell me what sickness I have".
4. Palpation (切, Qiè)
Finally, there is the pulse.
Despite the myth, I cannot see your past or know your secrets simply by touching your wrist.
Instead, I am assessing the radial artery on both wrists, using three fingers at different depths to evaluate the quality of blood flow. There are 28 classic pulse types, including the "wiry" pulse, which feels somewhat like a taut guitar string and is often associated with stress or tension.
How They Work Together?
A diagnosis rarely comes from a single clue.
Much like my nine year old, who often tells me that the little circle above his head is spinning when he is thinking or "loading", a physician is constantly processing information before reaching a conclusion.
None of these four diagnostic tools can be used in isolation. The pulse may offer a clue, but the tongue and the conversation help confirm the broader picture. A diagnosis becomes clearer when findings from all four methods point towards the same pattern.
For a TCM physician, these methods are everyday clinical tools, not unlike a cardiologist's stethoscope. They do not provide answers on their own. Rather, they help us collect pieces of information that gradually form a coherent picture.
Only then can we begin to understand what your body may need to return to balance.
Can you see my circle spinning?
