- Sputum
SignSymptom infobox
Name = Abnormal sputum
ICD10 = ICD10|R|09|3|r|00
ICD9 = ICD9|786.4Sputum is matter that is
expectorated from the respiratory tract, such asmucus orphlegm , mixed withsaliva , which can then be spat from the mouth. It is usually associated with air passages in diseased lungs, bronchi, or upper respiratory tract. It can be found to contain blood if in a chronic cough possibly from bad cases of tuberculosis.A sputum sample is the name given to the
mucus that is coughed up from the lower airways. It is usually used for microbiological investigations of respiratory infections. [ [http://www.medterms.com/script/main/art.asp?articlekey=5539 Sputum definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms ] ]The best sputum samples contain very little
saliva Fact|date=July 2007, as this contaminates the sample with oral bacteria.When a sputum specimen is plated out, it is best to get the portion of the sample that most looks like
pus onto the swabFact|date=July 2007. If there is any blood in the sputum, this should also be on the swab.Microbiological sputum samples are usually used to look for infections by "
Moraxella catarrhalis ", "Mycobacterium tuberculosis ", "Streptococcus pneumoniae " and "Haemophilus influenzae ". Other pathogens can also be found."Purulent Sputum" is that containing, or consisting of,
pus .Sputum can be:
#Bloody (often found in tuberculosis) (Haemoptysis )
#Rusty colored- usually caused bypneumococcal bacteria (inpneumonia )
#Purulent - containing pusReferences
External links
*http://www.fpnotebook.com/LUN70.htm
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