What symptom does chronic bronchitis have
summary
Chronic bronchitis refers to the chronic nonspecific inflammation of trachea, bronchial mucosa and surrounding tissues caused by infectious or non infectious factors. The pathological characteristics of chronic bronchitis are hyperplasia of bronchial glands and increase of mucus secretion. What symptom does chronic bronchitis have? Let me talk about it.
What symptom does chronic bronchitis have
First, the etiology of chronic bronchitis is divided into external causes and internal causes, external causes: smoking (will increase the prevalence); infection factors (mainly virus and bacterial infection); physical and chemical factors (such as irritating smoke, dust, air pollutants, etc.); climate (cold); allergic factors; internal causes: decreased local defense and immune function of respiratory tract; autonomic nervous dysfunction.
Second, there are many kinds of clinical symptoms. Patients with chronic bronchitis often develop in the cold season, cough and expectoration, especially in the morning. In acute respiratory tract infection, symptoms worsen, the amount of sputum increases, and often with blood in the sputum.
Third: with the development of the disease, cough all year round, expectoration, in winter and autumn aggravation. There are not many signs in the early stage of the disease, sometimes wet rales and dry rales can be heard at the bottom of the lung. Long term attack of patients will appear signs of emphysema. X-ray examination was positive, or only two lower lung texture thickening.
matters needing attention
Smoking is an important cause of chronic bronchitis. Patients must ban smoking and drinking, strengthen personal hygiene and exercise, so as to enhance their physique and prevent colds, so as to reduce the incidence rate.