《中国传统医学》课程PPT教学课件（Traditional Chinese Medicine）Basic theory of TCM——Pathogenic factors

Pathogenic factors Six exogenous factors ·Seven emotions ·Others

Pathogenic factors • Six exogenous factors • Seven emotions • Others

Six external factors (five internal factors) .Wind Dampness ·cold ·Dryness .Summer- Fire heat

Six external factors (five internal factors) •Wind •Cold •Summer￾heat •Dampness •Dryness •Fire

How do wind and others become the pathogenic factors: 1 change abnormally 2 resistant Qi is weak,which can not adapt the change

How do wind and others become the pathogenic factors: 1 change abnormally 2 resistant Qi is weak, which can not adapt the change

Common pathogenic characteristics of the six pathogens Related to seasonal climate and residential environments Attack the body separately or simultaneously with two or more Can intertransform after invading the human body Invading the body through the skin or the mouth and nose or both

Common pathogenic characteristics of the six pathogens • Related to seasonal climate and residential environments • Attack the body separately or simultaneously with two or more • Can intertransform after invading the human body • Invading the body through the skin or the mouth and nose or both

Wind Tends to move:rise,disperse, move upward and outward Apt to migrate and change Lead to constant movement Leading pathogen causing all diseases

Wind • Tends to move: rise, disperse, move upward and outward • Apt to migrate and change • Lead to constant movement • Leading pathogen causing all diseases

Signs and symptoms caused by wind Fever,aversion to cold,headache, perspiration,cough,stuffy nose,running nose,itching of the skin moving pain,urticaria convulsion,deviation of eyes and mouth ·dizziness,vertigo

Signs and symptoms caused by wind • Fever, aversion to cold, headache, perspiration, cough, stuffy nose, running nose, itching of the skin • moving pain, urticaria • convulsion, deviation of eyes and mouth • dizziness, vertigo

Cold Tends to impair Yang-Qi Coagulative and obstructive in nature Causes constriction

Cold • Tends to impair Yang-Qi • Coagulative and obstructive in nature • Causes constriction

Signs and symptoms caused by cold Aversion to cold,no sweating,general aching,cold and pain in joints with stiffness,diarrhea with undigested food, clear urine in increased volume cold and numbness in limbs

Signs and symptoms caused by cold • Aversion to cold, no sweating, general aching, cold and pain in joints with stiffness, diarrhea with undigested food, clear urine in increased volume • cold and numbness in limbs

Summer-heat Tends to rise and disperse and exhausts Qi and impair the body fluid,disturb the mind Usually accompanied with dampness

Summer-heat • Tends to rise and disperse and exhausts Qi and impair the body fluid, disturb the mind • Usually accompanied with dampness

Signs and symptoms caused by summer heat Excessive sweating,thirsty,shortness of breath,lassitude,concentrated urine, high fever,red and dry skin,delirium or coma dizziness,heavy sensation in head,press feeling on chest,nausea,poor appetite, diarrhea

Signs and symptoms caused by summer heat • Excessive sweating, thirsty, shortness of breath, lassitude, concentrated urine, high fever, red and dry skin, delirium or coma • dizziness, heavy sensation in head, press feeling on chest, nausea, poor appetite, diarrhea