What is a positive sputum culture?
Test Overview A sputum culture is a test to find germs (such as bacteria or a fungus) that can cause an infection. A sample of sputum is added to a substance that promotes the growth of germs. If no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive.
What does squamous epithelial cells in sputum mean?
If you will notice their are a large number of squamous epithelial cells in this 100x field of the patients sample. Squamous epithelial cells line the mouth. If greater than 10 of these cells are present per high powered field (100x; hpf) then the lab suspects serious contamination of the sputum with saliva.
What happens if sputum test is positive?
If your results were normal, it means no harmful bacteria or fungi were found. If your results were not normal, it may mean you have some kind of bacterial or fungal infection. Your provider may need to do more tests to find the specific type of infection you have.
What will a sputum test show?
A sputum test, also known as a sputum culture, is a test that your doctor may order when you have a respiratory tract infection or other lung-related disorder to determine what is growing in the lungs. Sputum is a thick substance that accumulates when bacteria or fungi grows and multiples in the lungs or bronchi.
What is normal sputum culture levels?
The quality of sputum samples is determined by the minimum number of squamous epithelial cells and polymorphonuclear leukocytes per low power field. An acceptable specimen has more than 25 leukocytes and fewer than 10 epithelial cells per low power field.
Is gram-positive cocci serious?
Gram-positive cocci: Staphylococcus aureus is a gram-positive, catalase-positive, coagulase-positive cocci in clusters. S. aureus can cause inflammatory diseases, including skin infections, pneumonia, endocarditis, septic arthritis, osteomyelitis, and abscesses.
What causes purulent sputum?
Purulent sputum contains pus, composed of white blood cells, cellular debris, dead tissue, serous fluid, and viscous liquid (mucus). Purulent sputum is typically yellow or green. It is seen in cases of pneumonia, bronchiectasis, lung abscess, or an advanced stage of bronchitis.
Is it normal to have epithelial cells in sputum?
What are squamous epithelial cells in lungs?
Epithelial cells of the lung are located at the interface between the environment and the organism and serve many important functions including barrier protection, fluid balance, clearance of particulate, initiation of immune responses, mucus and surfactant production, and repair following injury.
