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Doctor insights on: Pertussis Found On Nasal Swab Dfa

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What is the definition or description of: pertussis found on nasal swab (dfa)?

What is the definition or description of: pertussis found on nasal swab (dfa)?

Rapid screening test: Dfa--direct fluorescent antibody test--a rapid diagnostic test done in the lab that takes 1-2 days to screen for pertussis (whooping cough). While much faster than a culture, this test is not as reliable. A nasal swab is inserted gently into the nostrils toward the throat (posterior nasopharynx). Then fluorescently labeled antibodies are exposed to the sample looking for pertussis antigens/markers. ...Read more

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Dr. Jack Mutnick
1,167 doctors shared insights

Nasal (Definition)

NaSal is a nasal preparation which is a kind of ...Read more


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What is the definition or description of: culture of nasal swab shows b. Pertussis?

What is the definition or description of: culture of nasal swab shows b. Pertussis?

Positive identificat: Culture of secretion from deep inside the nose (nasopharyngeal swab) is a step to positively identify the bacterium causing pertussis (whooping cough). ...Read more

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What is the definition or description of: pertussis in nasal swab (pcr test)?

What is the definition or description of: pertussis in nasal swab (pcr test)?

Pertussis was foun: It means that they found evidence that the bacteria that causes whooping cough was present in the nasal passages. This could mean you are a carrier of the disease (could infect others) or if you are having symptoms or repeated, serious cough, then you likely got infected by the pertussis bacteria and have whooping cough. ...Read more

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7 week old has a dry cough off and on all day. No fever, no runny nose. Should I be concerned? Pertussis has me freaked out

7 week old has a dry cough off and on all day. No fever, no runny nose. Should I be concerned? Pertussis has me freaked out

No: No need to be concerned, pertussis very unlikely at this age, your baby has still got passive immunity from you, reflux can cause the dry cough, try not to overfeed, prop your baby up or at least 30 degrees while feeding, raise the head of the bed , keep clearing the nose with saline, if no improvement check with your pediatrician ...Read more

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What is a nasal swab test?

Nasal swab test: Swabbing the nasal mucosa is done for multiple reasons to test for allergy cells, infection or to look at the structure of the respiratory cells in the nasal cavity. ...Read more

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If mrsa swab of infected area is negative after infection, is mrsa gone? Does an infection mean I am a carrier? Do I need to follow up w/ nasal swab?

If mrsa swab of infected area is negative after infection, is mrsa gone? Does an infection mean I am a carrier? Do I need to follow up w/ nasal swab?

MRSA carriage : There is s lot of media attention and literature on MRSA in recent yrs. resulting in some confusion. If you had MRSA diagnosed before, thud chances are that you are colonized with it. Thx good news is that you can decrease colonization with proper monitoring and treatment as indicated. ...Read more

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What would doing a nasal swab show?

What would doing a nasal swab show?

Germs you carry: The nasal membranes are a luxurious environment for germs to grow and end up on your fingers where they are spread to the environment.Screening nasal swabs is one way to find a source for staph or other germ that may not infect the carrier but might cause problems with the rest of their family. ...Read more

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9yrold. DX via nasal swab with influenza A. Is it accurate ?

9yrold. DX via nasal swab with influenza A.  Is it accurate ?

Rapid Influenza test: A nasal swab can be used to test for Influenza A. The rapid tests in the office can be helpful to diagnose Influenza. There are different brands of tests with varying sensitivities. See the site below for additional information http://www.cdc.gov/flu/professionals/diagnosis/rapidlab.htm ...Read more

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Can you have MRSA if nasal swab comes back negative?

Can you have MRSA if nasal swab comes back negative?

Yes but: Mrsa can survive for varying periods on the skin surface but will die unless it has enough moisture supplied as mucous or serum. The reason they swab people looking for MRSA is it can be carried it the moist goopy linings of the nasal passages & be passed as a contaminant on fingers. An outbreak can be traced to asymptomatic people. ...Read more

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