Routine examination of sputum

The general trait test of sputum is to observe the color, traits and amount of sputum. Radon is the secretion of trachea, bronchi and lungs. Yellow pus-like sputum is seen in suppurative bronchitis. Staphylococcus aureus pneumonia, bronchiectasis, lung abscess, etc. Green pus-like mites are found in Pseudomonas aeruginosa (Pseudomonas aeruginosa) infection. Basic Information Specialist classification: Respiratory examination classification: sputum examination Applicable gender: whether men and women apply fasting: fasting Including items: crystals in sputum, color of sputum, sputum traits, sputum volume Tips: Collect the first sputum in the morning, mostly for cytology and microbiological examination. Normal value Normal people generally have no sputum, and a few people have white or gray-white viscous sputum. Clinical significance A general trait check for sputum contributes to the preliminary classification diagnosis of respiratory diseases. Yellow pus-like sputum is seen in suppurative bronchitis. Staphylococcus aureus pneumonia, bronchiectasis, lung abscess, etc. Green pus-like mites are found in Pseudomonas aeruginosa (Pseudomonas aeruginosa) infection. Red or dark red blood disease is seen in lung cancer, tuberculosis, bronchiectasis, etc. Rust red bloody sputum is seen in lobar pneumonia, pulmonary infarction and so on. Pink foamy bloody sputum is seen in heart failure with pulmonary edema. Rotten peaches are seen in paragonimiasis. Gray-black sputum is seen in long-term smoking and a large amount of inhalation of coal dust. In advanced lung cancer, lung abscess, and bronchiectasis, sputum also has a foul smell. The amount of sputum is related to the condition and disease type. Usually, the amount of sputum in patients with acute respiratory infection is less than that in chronic infection. The amount of sputum in patients with bacterial infection is higher than that in viral infection. Chronic bronchitis, bronchiectasis, tuberculosis The amount of sputum in patients with pulmonary edema is significantly increased. Precautions The first morning sputum was collected and used for cytology and microbiological examination. Before sampling, you should repeatedly gargle, cough after a few deep breaths, and do not spit into saliva. Sampling of microbial culture should be taken before the start of antibiotics and other medical treatments. If it has been used, samples should be taken at the lowest level of blood drug concentration. Inspection process Bacterial culture. Not suitable for the crowd Inappropriate people: Generally there are no people who are not suitable. Adverse reactions and risks No adverse reactions.