SPUTUM CULTURE TEST
You will provide
This test is for both
No any specified preparation
What is Sputum Culture Test?
The sputum culture test is recommended to identify the cause of bacterial pneumonia or other lower respiratory tract infections. It assists to observe the efficacy of the suggested treatment.
Why is Sputum Culture Test carried out?
In case of signs and symptoms of lower respiratory tract infections
To observe the treatment for bacterial infection
To observe the treatment for lower respiratory tract infection
What does Culture, Sputum Measure?
The sputum culture test identifies the presence of disease-causing pathogens patients who are suspected of having bacterial pneumonia or other lower respiratory tract infections.
Sputum is thick mucus or phlegm which is expelled from the lower respiratory tract by means of coughing. Sputum is not saliva or spit. During the sample gathering process, it is to be ensured that the pattern is gathered from the lower respiratory tract andnot from the upper respiratory tract.
The pathogen is detected by the sputum culture test and accordingly, after susceptibility testing, the treatment is started. At times, a respiratory infection can be caused by a pathogen that cannot be grown and related with sputum culture test. In such a case, different tests such as subculture and stain AFB or lifestyle fungus or culture viral can be recommended.
In case of a bacterial pathogen, the first step in the regular evaluation of a sputum sample is a Gram stain which assists to detect the presence of a common kind of bacteria. More so, the sample is placed on the proper nutrient media and is then incubated. The media supports the bacteria increase which is present in the sputum sample.
Usually, the sputum is not sterile (free from bacteria), as safe bacteria are normally present in the mouth or throat as a part of normal flora. In case of respiratory infections disease-causing pathogens are as well present which are identified by the sputum culture test.
FREQUENTLY ASKED QUESTIONS (FAQs)
Q. How is sputum sample taken?
The sputum sample is taken by requesting the patient to cough up. The sample which is coughed up is expelled into a sterile cup made available by the laboratory. To gather the sputum sample, deep coughing is required. The patient is told that mucus/phlegm is to be taken from the lungs, not the saliva. In case, an affected person is not able to produce a sputum sample, it can be stimulated guiding the patient to inhale a sterile saline or glycerin aerosol for some minutes. Doing this will help phlegm to loosen in the lungs. Apart from this, inhalation of steam or a hot bathe can also be useful resource in loosening the phlegm.
Q.What preparations are needed to be put in place by the patient prior to collection of the sputum sample?
The patient is requested to brush their teeth before gathering the sample. Also, the patient is requested to avoid consumption of food for at least 1-2 hours earlier than the collection of the sample.
Q. What are the symptoms of respiratory diseases?
The symptoms of respiratory diseases consist of cough, fever, chills, muscle aches, fatigue, problem in breathing, chest pain, and confusion.
Q. What do test outcomes (results) of sputum culture test means?
A positive sputum culture testresult means that pathogenic organisms are present. Clinically, the symptoms of lower respiratory tract infections are as well correlated. The result is regarded as negative if there is no growth of pathogenic organisms for one or two days.
The cause for negative results may be the absence of sufficient amount of pathogen in the sample. It is as well possible that different examinations can also be required for the detection of pathogenic organisms such as Sputum or Smear AFB or Culture fungus.
The information provided herein is for patient general knowledge only and should not be used during any medical emergency, for the diagnosis or treatment of any medical condition. Duplication for personal and commercial use must be authorized in writing by Surjen.com.
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