The differential diagnosis of acute bronchitis

Bronchitis, based primarily on cough, sputum-ming, the lungs have not fixed the dry and wet rales and so on diagnosis. Asthmatic bronchitis, based primarily on history of repeated episodes of wheezing breath visible, pulmonary a wide range of sound and breath, wheezing, etc. to extend the diagnosis. Need to identify with the following diseases.

(A) bronchial pneumonia

Severe bronchitis and bronchitis, the management of early and sometimes difficult to distinguish pneumonia, bronchial pneumonia, but generally there is shortness of breath, difficulty breathing resistance, the fixed lungs can hear a small moist rale, especially in the lung at the end; spine next to the armpit is obvious.

(B) bronchial asthma

The disease more common in older children, there are recurring history of asthma, asthma attack has nothing to do with infection, but also induced by infection. Is generally not heat, often in the early morning or at night a sudden attack, the application can quickly relieve bronchodilators.

(C) bronchiolitis

Mainly caused by respiratory syncytial virus infection, more common in babies less than 6 months. Often a sudden onset, patients initially severe respiratory symptoms than symptoms of poisoning, manifested as paroxysmal asthmatic, expiratory dyspnea, obviously three concave sign and cyanosis, the general body temperature is not high, lungs, and marked wheezing sound heard, lungs the bottom of the can have fine wet rales.

In addition, repeated episodes of bronchitis in patients with bronchial foreign body, congenital malformations of upper respiratory tract, right middle lobe syndrome and other diseases identified.