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TCM-NESA

External causes of disease

QuestionAnswer
6 normal climates, 6 Qi wind, cold, summer heat, dampness, dryness, fire
climate as a cause of disease the weather becomes a cause of disease only when the equilibrium b/t body and environment breaks down, either b/c the weather is excessive or unseasonable (too cold in summer, vice versa) or b/c the body is weak in relation to the climatic factor
climate as a cause of disease-2 another circumstance in which the climate may cause disease is when the weather changes very rapidly giving the body no time to adapt properly. The concept of Wind actually refers to rapid changes in weather.
climate as a cause of disease-3 it is important to stress that the body is only relatively weak that is in relation to the climatic factor and not necessarily fundamentally weak. Climatic factors become causes of disease only when there is a relative imbalance b/t the body's Qi & epf
climatic factors- season & yin organ wind-spring, liver cold-winter, kidney summer-heat-summer, heart dampness-late summer, spleen dryness-autumn, lungs fire-summer, heart
summary of climate as a cause of disease climate becomes a cause of disease only when it is either excessive or unseasonable climate becomes a cause of disease when there is a temporary and relative imbalance b/t the body's Qi and the climate factor
summary of climate as a cause of disease-2 climatic factors are related to a particular season and Yin organ
climatic factors as patterns of disharmony climatic factors differ somewhat from other causes of disease in so far as they denote both causes and patterns of disease. When we say that a certain condition is due to exterior attack of wind-heat, we are saying:
climatic factors as patterns of disharmony-2 1) the disharmony is caused by and invasion of exterior wind-heat 2) the disharmony manifests as wind-heat diagnosis is made through analysis of signs and symptoms, we do not need to ask about exposure, from this point of view wind-heat indicates a path
artificial "climates" as causes of disease air-conditioning, refrigerated storerooms, hot kitchens, steel plants. In the beginning stages of an invasion of elf, the pf is in the exterior aspect of the body as opposed to the internal organs. An 'exterior' pattern results from this invasion.
artificial 'climates' as causes of disease-2 the definition of exterior is arrived at on the basis of the location of the pf, not the etiology. If an ef penetrates deeper to affect the internal organs, the resulting pattern of clinical manifestation is defined as an interior pattern
artificial 'climates' as causes of disease-3 even though it was caused by an exterior pathogenic factor
Clinical manifestations of climatic factors exterior wind-causes symptoms & signs to arise suddenly and change rapidly. cold contracts and causes pain and watery discharges. Dampness invades the body gradually and causes turbid, sticky discharges. Dryness dries body fluids.
Clinical manifestations of climatic factors-2 heat and fire give rise to sensations of heat, thirst, and mental restlessness
wind exterior wind causes symptoms to arise suddenly and change rapidly invading the space b/t skin & muscles and the lungs defensive Qi portion-aversion to cold, fever, sore throat, sneezing, runny nose, occipital stiffness, floating pulse
wind-2 invading the muscles and channels-stiffness, rigidity, contraction of the muscles with sudden onset invading the joints-pain that moves from jt to jt, especially in the upper portion of the body (wind painful obstruction syndrome)
cold cold contracts and causes pain and watery discharges. Invading the muscles and sinews-stiffness, contractions of muscles, pain, chilliness invading the joints-severe pain in Jt (cold painful obstruction syndrome)
cold-2 invading the stomach, intestines, uterus-sudden epigastric pain with vomiting, sudden abdominal pain with diarrhea, acute dysmenorhea
summer-heat heat & fire give rise to sensations of heat, thirst, and mental restlessness. aversion to heat, fever, sweating, headache, dark urine, thirst, floating pulse
dampness dampness invades the body gradually and causes turbid, sticky discharges. invading muscles and sinews-felling of heaviness in the limbs, dull ache of the muscles. Invading the jts-pain, heaviness and swelling of the jts
dampness-2 especially in the lower part of the body (damp painful obstruction syndrome). acute urinary discomfort, acute vaginal discharge, acute skin diseases with vesicles or papules, acute digestive upsets
fire heat and fire give rise to sensations of heat, thirst, and mental restlessness. aversion to heat, high fever, sweating, mental confusion, thirst, overflowing rapid pulse, red tongue w/ yellow tc
aversion to cold and fever aversion to cold and fever are the two major symptoms of invasion of most exterior pathogenic factors. When the symptom of aversion to cold occurs simultaneously with the objective sign of the body feeling hot (or having an actual fever)
aversion to cold and fever-2 this indicates that the pf is still on the exterior. In particular it is the symptom of aversion to cold that indicates that the pf is on the exterior, the moment the patient does not feel cold any longer but feels hot, and if in bed throws off the
aversion to cold and fever-3 blankets, this means that the pathogenic factor is in the interior and it has turned to heat
aversion to cold the symptom of aversion to cold is due to the obstruction of the space b/t skin and muscle by exterior wind. Defensive Qi circulates int eh space b/t skin and muscles and it warns the muscles. if it is obscured by ext wind it cannot circulate well
aversion to cold-2 and it fails to warm the muscles, hence the aversion to cold
fever fever is produced by the struggle b/t the elf and the body's Qi. fever indicates the objective hot feeling emanating from the patient's forehead and dorsum of hands felt on palpation by the physician
Created by: lamsee