医学英语支气管炎症.pptx

Group 2,Class 1 Bronchitis Definition Bronchitis is an inflammation of thebronchial tubes of the lungs Acute bronchitis is a shorter illness that commonly follows a cold or viral infection Chronic bronchitis is a serious, ongoing illness characterized by a persistent, mucus-producing cough that lasts longer than 3 months out of the year for more than 2 years. Cause Bronchitis is caused by the inflammation of the bronchial tubes, by viruses, bacteria, or other irritant particles. Acute bronchitis is normally caused by viruses, typically those that also cause colds and flu. It can also be caused by bacterial infection and exposure to substances that irritate the lungs, such as tobacco smoke, dust, fumes, vapors, and air pollution. Chronic bronchitis is caused by repeated irritation and damage of the lung and airway tissue. Smoking is the most common causes of chronic bronchitis, with other causes including long-term exposure to air pollution, dust and fumes from the environment, and repeated episodes of acute bronchitis. Symptoms 6 01 02 03 04 05 06 Persistent cough, which may produce mucus Sore throat Low fever and chills Chest tightening Wheezing Body aches Diagnosis A doctor will usually use a stethoscope to listen for any abnormal sounds in the lungs. They may also examine mucus or test the oxygen levels in the blood, and may recommend a chest X-ray, pulmonary lung function test, or blood tests. Prevention 01 02 03 04 Do not start smoking; quit smoking if you already smoke. Avoid lung irritants such as smoke, dust, fumes, vapors, and air pollution. If avoiding exposure is not possible, wear a mask that covers the nose and mouth. Wash hands often to limit exposure to germs and bacteria. Get a yearly flu vaccine. Treatments Mucolytics these thin or loosen mucus in the airways, making it easier to cough up sputum. Cough medicine although coughing should not be completely suppressed as this is an important way to bring up mucus and remove irritants from the lungs. Br