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A sputum culture is a test to detect and identify bacteria [1] or fungi that infect the lungs or breathing passages. Sputum is a thick fluid produced in the lungs and in the adjacent airways. Normally, fresh morning sample is preferred for the bacteriological examination of sputum. [ 2 ]
In a clinical study conducted the sensitivity of the MTB/RIF test on just 1 sputum sample was 92.2% for culture-positive TB; 98.2% for smear+ and culture-positive cases; and 72.5% for smear-negative, culture-positive cases, with a specificity of 99.2%. Sensitivity and higher specificity were slightly higher when 3 samples were tested. [10]
The best sputum samples contain very little saliva, [2] as saliva contaminates the sample with oral bacteria. This is especially true for samples for laboratory testing in cytology or microbiology. Specimen adequacy is assessed by the laboratory technologists by examining a Gram stain or cytology stain of the sputum.
Sputum smear microscopy, using the Ziehl–Neelsen staining technique, is conducted at the DMCs. This is the most widely available test with over 20,000 quality controlled laboratories across India. This is the most widely available test with over 20,000 quality controlled laboratories across India.
In August 2021, the State Anatomical Board — a now-defunct agency that loosely regulated body donation programs in Texas — fielded a complaint about Med Ed Labs from another Texas medical school.
A complete medical evaluation for tuberculosis (TB) must include a medical history, a physical examination, a chest X-ray and microbiological examination (of sputum or some other appropriate sample). It may also include a tuberculin skin test , other scans and X-rays, surgical biopsy.
Federal investigators found nearly a dozen children to be working dangerous, overnight shifts at Seaboard Triumph Foods' pork processing plant in Sioux City, Iowa, the Department of Labor announced.
Raw samples nationwide will now be collected and shared with the U.S. Department of Agriculture in order to test for bird flu, according to a new federal order issued by the agency on Friday ...