Sputum is generally only examined if doctors find evidence of pneumonia on a chest x-ray or during the examination .
如果医生作体检或胸x射线检查发现肺炎证据时,一般才进行痰液检查。
The resulting test proved to be extremely sensitive and can detect fewer than ten tb bacteria in unprocessed human sputum .
测试结果证明探头极其灵敏,它可以对少于10个tb病菌的未经处理的痰作出反应。
Color change means only that cells associated with inflammation have moved into the airway and are coloring the sputum .
只是意味着炎症细胞已经侵入呼吸道使痰液变色。
Traditional tests for tb examine the sputum , a material found in a person 's lungs .
对结核的传统检验方法是痰培养,标本取材于人的肺部。
One interesting fact to be aware of : if you 're still smoking , your sputum production may not increase despite advancing copd , whereas sputum production tends to increase after you quit .
But the most common way to diagnose tb , visually checking sputum samples for the microbe that causes the disease , requires sophisticated equipment and trained personnel .
If coughing persists for more than eight weeks or if coughing brings up sputum or blood or disturbs your sleep , see your doctor to check for a more serious cause of your coughing .
Researchers at the london school of medicine collected sputum samples from healthy non-smokers who walk or bike to see how much black carbon was in airway macrophages-a type of white blood cell that takes in foreign material .
N : you should sit up.that will help your deep breathing , and help you to expectorate and prevent the sputum from accumulating in your lungs to cause pneumonia .
护士:您应该坐起来,那样可以帮助您深呼吸,使痰较容易咳出,以防痰积在肺内引起肺炎。
But the xpert test is considerably more expensive : in south africa in 2011 , the government paid at least $ 15 for each machine test , versus $ 3 for a sputum microscopy test .