Normal people have a small amount of white or gray-white sticky sputum. Under pathological conditions, yellow purulent sputum, white foam sputum, red sputum, rust sputum, etc. are common. Yellow-green jaundice, lobar pneumonia dissipative period, Pseudomonas aeruginosa infection, lung cancer, bronchiectasis, lung abscess, progressive tuberculosis, bronchitis, caseous pneumonia.

Basic Information

Specialist classification: Respiratory examination classification: sputum examination

Applicable gender: whether men and women apply fasting: fasting

Tips: If you take the sputum specimen within 24h, avoid mixing saliva, nasopharyngeal secretions, food, mouthwash and so on. Normal value

Colorless and transparent.

Clinical significance

1, yellow or light yellow found in the lung purulent infection (suppurative sputum).

2, yellow green seen in jaundice, lobar pneumonia dissipative period, Pseudomonas aeruginosa infection, lung cancer, bronchiectasis, lung abscess, progressive tuberculosis, bronchitis, cheese pneumonia.

3, rust color is seen in lobar pneumonia, pulmonary infarction.

4, chocolate color seen in the amoebic liver abscess through the diaphragm and the lungs, lung paragonimiasis (pneumococcosis).

5, brown seen in heart disease caused by chronic passive congestion of the lungs.

6, gray or black found in pneumoconiosis (charcoal, coal, iron, stone powder, asbestos powder, etc.).

7, rotten peach is seen in lung tissue necrosis, pulmonary paragonimiasis (pneumococcosis).

8, with bloodshot, blood clot or bloody sputum mixed, is bright red or reddish in tuberculosis, bronchiectasis, lung cancer, pulmonary paragonimiasis (pneumococcal disease), pneumonic plague, pneumonia, pulmonary infarction, lung abscess, pulmonary hemorrhage Leptospirosis, respiratory trauma and ulcers, acute pulmonary edema (pink foam), bleeding disorders, etc.

Precautions

1. When the sputum is checked, it is very important for the patient to take a qualified sputum specimen. That is, first sip a few times with water, and then cough up the sputum deep in the trachea. Generally, it is advisable to use the first to second mouths after deep cough in the morning.

2. If you take the sputum specimen within 24 hours, avoid mixing saliva, nasopharyngeal secretions, food, mouthwash and so on. If necessary, add carbolic acid to the specimen bottle for preservation.

Inspection process

Immediately after the collection of the sputum specimen, the test is carried out to test the homology test.

Not suitable for the crowd

Inappropriate people: Generally there are no people who are not suitable.

Adverse reactions and risks

No adverse reactions.