Diagnosis in Traditional Chinese Medicine
The Four Diagnostic Methods are:
Observation (望诊 – Wàng Zhěn)
Observation is a diagnostic method that involves examining external signs of the body for abnormalities or changes. This includes observing Shen (神) – the spirit or vitality seen through the facial expression, emotional display, complexion, posture, tongue appearance, and bodily secretions. The goal of this diagnostic method is to assess the pathological condition of internal organs as reflected through external physical changes. This helps the practitioner gain insight into the nature and severity of the illness. In particular, the face and the tongue are considered by Traditional Chinese Medicine to be closely connected to the internal organs, making them especially important areas for visual diagnosis.
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Listening (听诊 – Tīng Zhěn)
This involves analyzing various sounds made by the patient, such as:
Smelling (闻诊 – Wén Zhěn)
This involves detecting abnormal body odors that can reflect internal health conditions:
Note: Observation and inquiry should be used together with smelling. For example, if there is a rotten smell in the patient's room without visible wounds, it may indicate severe internal disease.
Pulse Diagnosis (脉诊 – Mài Zhěn)
Pulse diagnosis has a long history spanning thousands of years in the People’s Republic of China. Traditional Chinese medicine practitioners use pulse-taking as a key method for diagnosing illness and determining treatment approaches, based on the principles of natural science and empirical observation on human beings. Around 2,500 years ago, a renowned Chinese physician named Bian Que (扁鹊) was known for his expertise in diagnosing diseases through pulse examination.