Grams Stain, Sputum
- Reporting Time:
- 8 Hrs
- Specimen Type:
- Home Collection:
- No special preparation required
To detect the bacteria and some times fungi, to identify the type of bacteria, to classify the bacteria grown in culture so that further tests can be performed and appropriate treatment given.
When there are symptoms or suspecting bacterial (or sometimes fungal) infection and often done along with culture.
1. How the sputum sample for gram stain collected?
Sputum sample should be collected in a sterile, leak proof, screw capped, wide mouthed container. Sample should be deeply coughed up specimen, after rinsing the mouth with plain water for few minutes. It is essential that sputum containing purulent material and destroyed tissue brought by deep cough and not saliva should be collected.
2. How is bacterial infection treated?
Antibiotics are the main treatment for bacterial infections. If there is abscess, incision and drainage is the better option.
3. How will you interpret the result?
If Gram stain test result is negative, it indicates "no organism seen, " in the sample processed and examined under microscope. If a gram stain is positive, it indicates that bacteria is identified. Further classification of bacteria is done by its staining characteristics, morphology (shape, size, arrangement, presence of other cells etc).