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A false positive tuberculin skin test occurs when the test indicates that a person has been exposed to the tuberculosis (TB) bacteria, even though they are not infected. This can happen due to cross-reactivity with other mycobacterial infections, prior vaccination with the Bacillus Calmette-Guérin (BCG) vaccine, or other non-TB infections. False positives can lead to unnecessary anxiety and further testing, underscoring the importance of considering clinical context and additional diagnostic methods.
What else can I help you with?
Which of the following cannot lead to a positive tuberculin skin test?
being near someone with tb
When a tuberculin skin test is positive the hard center and erythema surrounding the induration are a result of?
imune complexes
What is the name of a tuberculosis test?
It is often called a tuberculin skin test, or a Mantoux test.
A positive tuberculin skin test shows cellular immunity to Mycobacterium tuberculosis How could a person acquire this immunity?
having the actual disease
What does the medical abbreviation TST mean?
Tuberculin skin test.
What is the PPD vaccine?
It is the Purified Protein Derivative tuberculin skin test.
What is an intradermal test to determine tuberculin sensitivity?
An intradermal test for tuberculin sensitivity is performed by injecting a small amount of purified protein derivative (PPD) tuberculin into the skin on the forearm. The injection site is then checked for a reaction after 48-72 hours. A positive reaction, indicated by a firm, raised bump, suggests that the individual has been exposed to the bacteria that cause tuberculosis.
What is a PPD test?
Other names for a tuberculin skin test. PPD stands for purified protein derivative.
What medical term for skin test used to determine the presence of tuberculosis infection?
The only thing I've heard the skin test for tuberculosis called is the tuberculin skin test.
What is false positive widal test?
What is false positive in widal test
What is the side effect of tuberculin skin test for eight month old infant?
you can see your baby's pediatrician
How do you know if a tb test is positive?
AnswerA positive TB Skin Test is indicated by a hard red bump at the injection site. False positives are possible if you have an allergy to the chemical used in the test. Ideally, your skin would absorb the compound and the injection site would be indistinguishable after three or four days.
