?????? chronic bronchitis

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??????chronic bronchitis
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?? definition ????????????????????????????
???????????????????????????????????????????????
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??????? etiological factor and pathogenesis? ?
?? extrinsic factors .?? infection.????
atmosphere agent.???? environmental
pollution .?? smoking.?? allergic
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???? intrinsic factor .????????????.???????
??.????.????
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?? pathology ??????????????
??????????????????? ?????????????? ??,
Reid ??0.55-0.79(0.14-0.36)
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????????????????????????????????????????????????
??,???????
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??????????????? ????????????????????
???????????
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???? clinical situation???? symptom.??
cough.?? expectoration.?? gasp.???? repeated
infection
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???? Physical sign???????????????????????????
?????????X??? X-ray examination
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??????? pulmonary function test????-????50-2
5??????????FEV1?FEV1/FVC ???MMV???????????
blood and sputum examination
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??diagnosis???????????? ???
????????? ????? ?????
?????
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???? differential diagnosis????????
bronchiectasis??????? bronchial asthma
???? pneumoconiosis ???? pulmonary
carcinoma????? pulmonary tuberculosis
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?? therapy??????? ???? ???? expectorant
antitussive ???? antispasmodic antiasthmatic
???? inhalation therapy???????
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???1.????????????? ????2.?????????????
??