Chronic bronchitis and what should be done differential diagnosis of the disease

(1) bronchial asthma: chronic asthmatic bronchitis and asthma should be differentiated from. Asthma often in childhood or youth sudden onset, generally without chronic cough, sputum history, to the characteristics of asthma attacks. Asthma attack full of Ming-Liang Fei, eased after asymptomatic, often personal or family history of allergic disease. Chronic asthmatic bronchitis more common in the elderly, generally to cough, sputum associated with breathing and asthma-ming as the main clinical manifestations, infection control after more than can ease the symptoms, but the lungs can hear the sound Asthma-ming. It is not difficult to distinguish between the typical case, but with chronic bronchitis and asthma (or) emphysema is difficult to distinguish.
(2) bronchiectasis: a cough, sputum recurrent feature, when combined with a large number of Nongtan, or repeated and the number ranging from the history of hemoptysis. Luo lung wet-based, multi-side and fixed in the next lung. Pestle-like that can have (toe). X-ray examination under common Fei Wenli rough or a curling-like chaos. Bronchial angiography or CT scan can be identified.
(3) tuberculosis: there are TB patients with pulmonary tuberculosis or in part, symptoms of poisoning symptoms (such as fever, fatigue, night sweats, weight loss, hemoptysis, etc.). The X-ray and sputum checks can clear diagnosis of tuberculosis.
(4) lung cancer: patients aged over 40 years of age often, in particular, has many years of smoking history, a provocative cough, or often repeatedly Xuetan sustained, or change the nature of chronic cough. X-ray examination can be found massive shadow or nodular shadow, or obstructive pneumonia, after antibiotic treatment, has not fully dissipated, should consider the possibility of lung cancer. Exfoliated cells and sputum investigation by the Fiberbronchoscope biopsy may generally be a clear diagnosis.
(5) silicosis and other pneumoconiosis: a history of exposure to dust and diseases. X-ray check-silicon nodules, hilar shadow expansion, Fei Wenli increase.