Every human being has specific normal flora and its composition is dependent on health status, diet, age . The process of growing the bacteria in the sample is called a culture. If a large amount of cellular material is seen in the transport medium (cloudy appearance), the specimen is centrifuged for 5 minutes at full speed and the supernatant used for tissue culture inoculation. S. pyogenes is cultured on a growth medium called blood agar. To obtain pure colonies, aseptic transfer is done and a streak plate produced first. Our website services, content, and products are for informational purposes only. We help you out with the causes, treatments, and when to see a doctor. The most important of the bacterial infections is due to Streptococcus pyogenes. What Causes Dry Throat, and How Is It Treated? Culture reactions must be interpreted in light of clinical status, recent antimicrobial . Delay in sputum processing with possible overgrowth of oropharyngeal flora. Jones, Cindy "Throat Culture It's standard culture protocol to include semi-quantitation as it could provide some clues for disease states. A physician, nurse, or physician assistant collects the throat swab. Thrush An infection of the mouth, caused by the yeast Candida albicans and characterized by a whitish growth and ulcers. They cause a wide variety of infections including scarlet fever, tonsillitis, and pneumonia. I went to the doctor and upon examination she said that I appeared to have an overgrowth of yeast but since I did not have other symptoms of a yeast infection she . Besides causing sore throat (pharyngitis), streptococci can also cause scarlet fever, rheumatic fever, kidney disease, or abscesses around the tonsils. Normal results would include finding organisms that grow in healthy throat tissues. You may need this test if you have symptoms of strep throat, including: Sore throat. (February 23, 2023). Gale Encyclopedia of Nursing and Allied Health. There are a variety of conditions that can cause these symptoms, ranging from minor. Ask your healthcare provider what your test results mean for you. Available online at
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