Sputum Three layers

Name:

Sputum - characteristics of three-layer sputum

Description:

Three-layer sputum is one of the signs of a serious lung disease - pulmonary gangrene. This sputum has a specific composition and properties that make it possible to diagnose and treat this disease. To study the three-layer sputum, a microscopic examination is performed.

Diagnostics:

Microscopic examination of sputum shows that the lower part of the sputum has a dark color, which indicates the presence of remnants of necrotic tissue elements, bacteria and pus. The top layer of sputum may be foamy, of medium consistency and gray in color. Inside it contains a large amount of air, which indicates its presence in the lungs. In the middle layer of sputum you can see a clear liquid. In healthy people, sputum usually contains

Three-layer sputum

**Sputum** is liquid coughed up from the respiratory tract due to diseases of the bronchi, trachea, larynx and lungs. The amount of sputum produced can reach 50-200 ml per day, while the complete absence of sputum indicates a narrowing of the lumen of the bronchus or bronchiole and is called a closed bronchus, or complete bronchiolitis. Cough is the most common symptom of colds, acute respiratory viral infections, and upper respiratory tract diseases. In these diseases, sputum production is associated with the development of a catarrhal inflammatory process. Diseases in which a large amount of fluid with inclusions of blood or pus is released are called acute bronchitis. In addition, this category should include **obstructive (obstructive) bronchitis, which is based on swelling of the mucous membrane and narrowing of the lumens of the bronchi.**

Acute catarrhal bronchitis

Sputum production in **acute bronchitis** is caused by