Pathogenesis of TCM在线视频

Hello everyone

For the etiology and pathogenesis of TCM

we have talked about the etiology

which mainly focuses on the external pathogenic factors

and over emotions

as well as some pathological products

For today’s class

we’ll talk about the second part pathogenesis of TCM

Pathogenesis of TCM is the basic law

for the clinical manifestations

development and prognosis of disease

as well as for diagnosis and treatment

The occurrence

development and change of disease

are closely related to the patient’s healthy qi

pathogenic properties

degree of disease and location of disease etc

Western medical system and TCM system

have different pathogenetic views

for western medicine

it is based on the symptoms or signs

lab or instrument examination will be used

to find the focus of infection

then to find the pathogenic changes and the factors

Finally make a diagnosis

For TCM it collects symptoms and signs

by using TCM diagnostic methods

analyzes all the information from the diagnostic process

then infers the pathogenic factors and pathogenesis

Healthy qi can protect our body from the attacking of external pathogenic factors

and the damaging of internal pathogenic factors

When the pathogenic factors attack the human body

the body's healthy qi is bound to rise against the pathogenic factors

forming the conflict between healthy qi and pathogenic factors

People get sick if the conflicting

between the healthy qi and pathogenic factors happens inside the body

Pathogenesis is the process of fighting

If the healthy qi is defeated by the pathogenic factors

which means that the disease is in a bad way

However if the pathogenic factors are defeated by the healthy qi

then the disease is getting better

As a complete medical system

the developing of pathogenesis is based on yin-yang theory

five-element theory

visceral manifestation theory essence qi blood and body fluid

as well as meridian theory

The conflicting between healthy qi and pathogenic factors

is bound to destroy the relative balance of yin and yang

to cause the dysfunction of the zang-fu organs and meridians

or the disturbance of qi and blood

Thus brings about a variety of local or general pathological changes

Although various diseases and complicated clinical manifestations

their changes of pathogenesis in general are inseparable

from the excess or deficiency between the healthy qi and the pathogenic factors

the imbalance of yin and yang or the disorder of qi blood and body fluid

First of all The struggling between the healthy qi and pathogenic factors

The occurrence of a disease is mainly related to two kinds of power

healthy qi and pathogenic factors

and the struggle between them sets the basic ground

where a disease occurs and develops

For the two sides, healthy qi specifically refers to the essence

qi blood and body fluid

while the pathogenic factors

specifically refer to both the external and/or internal pathogenic factors

The struggling between the healthy qi and pathogenic factors

are not only related to the occurrence of a disease

but also directly affects its development and final outcome

Second yin-yang disharmony

Yin and yang should keep balanced in our body

If one side is too strong/weak

the body will fall into ill

In the course of occurrence

development and final outcome of a disease

disharmony of yin and yang will occur under the action of pathogenic factors

resulting in such pathological manifestations

as relative excess or deficiency of either yin or yang

Specifically speaking

the yin-yang disharmony includes the excess of yang

excess of yin deficiency of yang and deficiency of yin

According to the nature of yin and yang

excessive yang will induce excessive heat

which exhibits heat syndrome

excessive yin will induce excessive cold which is called cold syndrome

deficient yang may induce relative cold

which is called deficiency-cold syndrome

deficient yin may induce relative heat

which is called deficiency-heat syndrome

Third disorders of qi and blood

Qi and blood are the material basis

for the physiological activities of zang-fu and meridians

Disorder of qi and blood will

inevitably affect the body's function to cause diseases

Just as the book of Basic Questions says

that the disharmony between qi and blood will result in various diseases

For the qi deficiency condition

it may be induced by reduction of production of qi

or excessive consumption of qi

The patient may have the symptoms

such as lack of spirit

fatigue weakness dizziness

spontaneous sweating pale complexion pale tongue

weak pulse etc

The Chinese herbs can be used

like Bu Zhong Yi Qi Decoction

to tonify the qi and relieve the symptoms

Except for qi deficiency

the activity of qi may be disturbed due to disturbance in its movements

This can induce pathological changes

such as qi stagnation

qi counterflow qi sinking

qi blockage and qi collapse

Furthermore the disorder of qi activity may bring

about various symptoms

For example qi stagnation

has the symptoms like hypochondriac pain

belching depression irritability and so on

Si Ni Powder or Xiao Yao Pill can be used to smooth

the liver and regulate qi

The disorder of blood includes blood deficiency

and disorder of blood movement

Blood deficiency caused by deficient production

and over consumption of blood

It may produce the symptoms

such as amnesia pale complexion dry skin etc

This can be improved by using the Chinese herbs such as Gui Pi Pill

Disorder of blood movement includes the accelerated

blood circulation and blood stasis

In our clinical practice

blood cold and blood stasis are two most common types

for treating blood cold

Wen Jing Decoction can be selected to warm the blood

while Si Wu Decoction can be selected to promote

the circulation of blood then to improve all the symptoms

Fourth disorders of body fluid

The metabolism of body fluid is essentially

the processes of continuous production

distribution and excretion of body fluid

The disorder of body fluid includes deficiency of body fluid

and disorder of distribution and excretion of body fluid

Body fluid belongs to yin

having the function to nourish the organs tissues and skin

The deficiency of body fluid maybe caused

by over consumption or deficient production

It can induce relative heat having the symptoms like dry mouth

eyes and skin insomnia and dreaminess red tongue and rapid pulse

Zhi Bai Di Huang Pill is usually selected to nourish yin and remove heat

For the disorder of distribution and excretion of body fluid

If the circulation of fluid is slow or stagnated

the internal dampness generates and results

in phlegm and fluids retention or even leads to edema

For this condition we usually use Chinese herbs to tonify spleen

since spleen is the key organ to maintain the normal metabolism of body fluid

OK we just talked about the pathogenesis of TCM

and now if you find some people may get sick

while others may not

after experiencing a sudden weather change

at the same time

The reason is the difference of their healthy qi

So that’s all for today

I’ll see you in next class