How is wheezing produced?

summary

A symptom of shortness of breath, dyspnea, and wheezing in the throat, as of a whistle. Most of the patients with cough and wheezing are caused by bronchial asthma, spasmodic bronchitis, cardiogenic asthma and foreign body in trachea. Usually, prolonged wheezing occurs during a short, narrow bronchial exhalation. The causes of airway stenosis include bronchospasm, mucosal thickening or edema, and partial obstruction is caused by tumor. In airway obstruction, wheezing occurs during inhalation. How to diagnose wheezing?

How is wheezing produced?

1. Wheezing is characterized by a relatively high pitch, like a metal wire tremor musical sound, lasting for a long time and obvious on exhalation, and basically disappeared on inhalation. This kind of pathological breath sound can also appear when the ventilation is blocked by other diseases. Such as bronchial foreign bodies, endobronchial tuberculosis, auscultation also often found wheezing.

2. When cough occurs, as long as careful observation, it is not difficult to judge the type and nature of cough. For severe cough, most people will go to the hospital in time because it affects their life, work and study. For those chronic cough, especially those not severe chronic cough, many patients often do not pay attention to it. In fact, the cause of chronic cough is often more serious than that of acute severe cough.

3. Wheezing sounds in both lungs were found in asthma and chronic asthmatic bronchitis; Persistent localized wheezing in a certain area is seen in airway stenosis, such as airway mass. Bronchial asthma is characterized by prolonged expiratory time and a wider range of wheezing sounds. If sputum is found, it is white foam sputum. Cardiogenic asthma can smell more dry rales in two lungs, with a large amount of pink foam sputum.

matters needing attention

Most of the patients with cough and wheezing are caused by bronchial asthma, spasmodic bronchitis, cardiogenic asthma and foreign body in trachea. Usually, prolonged wheezing occurs during a short, narrow bronchial exhalation.