The diagnosis of acute bronchitis

(A) Symptoms

Acute disease can be slow, most of them first, upper respiratory infection symptoms such as cough, fever and so on. Temperature can be high or low, but mostly low-heat, a small number of up to 38 ~ 39 ℃, for several days or for 2 ~ 3 weeks. Disease and early mono dry cough or a small amount of mucus expectorated sputum, later with the progression of the disease, cough aggravated gradually increased secretions, sputum was mucopurulent. Infants and young children will not expectoration, multi-swallowed by the throat. After 3 ~ 10 days to reduce the amount of sputum, cough gradually disappear. Older children mild systemic symptoms may include headache, fatigue, loss of appetite. In addition to the above symptoms in infants, it can also vomiting, diarrhea and other gastrointestinal symptoms.

(B) signs

Respiration increased slightly faster, early lungs breath sounds rough, dry rale may be heard. Later emerged due to an increase in crude secretions, the wet rale, rale is not fixed, often in the position to change or reduce or even disappear after coughing.

(C) a special type of Bronchitis

Namely, asthmatic bronchitis, asthma in infants and children during the performance of bronchitis. Particularly prevalent in the age of 2 years of age, puffiness, often have a history of eczema or other allergies. Mostly occurs in the cold season. Generally begins abruptly, first, the performance of upper respiratory tract infection, followed by emergence of breath dyspnea, wheezing obvious extension of breath, there is a significant sign and three concave nose flap, cyanosis. Body temperature normal or moderately low heat, fever, chest percussion drums sound, auscultation lungs filled with Wheezing and rales in the wet. The performance of infection control of asthma with ease. The disease has recurrent tendency to increase with age, the incidence can gradually reduce the frequency, extent alleviated or even disappear. A small number of repeated seizures can develop after repeated bronchial asthma.

Assistant examination

Peripheral blood white blood cell count normal or slightly higher, caused by bacteria or in combination significantly increased when bacterial infection. Chest X-ray texture thickening or increased hilar shadows deep.