Mantoux test or tuberculin test
If you're going to get the tuberculin skin test (Mantoux test), we recommend read the following information carefully to ensure that the procedure is performed properly and the test results are reliable. Follow the guidelines for preparation is essential to ensure an accurate reading and avoid interference with vaccines or recent illnesses that may alter the result.
PURPOSE
PURPOSE
This test is intended to to detect Infection with Mycobacterium tuberculosis, which is different from having the disease of tuberculosis. The latter is diagnosed with clinical history, chest radiograph, sputum smear and other tests that are more specific.
PREPARATION
PREPARATION
- The patient not the test should be performed on the same day that you have been vaccinated with live virus (measles, mumps, polio). You must miss 6 weeks after this type of vaccine to be done by the Mantoux test.
- The patient should leave at least a month after vaccination against smallpox to perform a Mantoux test.
- The patient should not perform the test if you are having any disease exantemática (measles, chickenpox).
- If the indication is suspected of contact with tb patient, make sure that the test is performed after at least 15 days of first contact with the sick.
- The day of the test the patient not extend moisturizer, oil or sunscreen on the forearms.
- This test it is not contraindicated in pregnant women, or in children older than 6 months.
PROCEDURE
PROCEDURE
The test consists of a intradermal injection of 2 TU of PPD (Purified Protein derivative). The injection is practiced in the ventral side of the forearm contrary to the dominantto avoid discomfort in the next 48 hours.
To avoid errors and ensure that it is administered intradermally, it is important that, after the injection, to appear a habón that fades after a short time.
After the injection, and until you go to the reading of the test, the patient do not cover the puncture site (only clothes), not rubbed the area not even to the toilet daily.
Just go to the doctor if you notice that the area acquires aspect of this infected (pain or intense redness, throbbing, and heating) or ulcere. Being these two assumptions, very unlikely.
The patient will be reading the lab, or center to 48-72 h. The healthcare professional will measure the cross-sectional diameter with respect to the longitudinal axis of the forearm, exclusively of the induration, not erythema.
ADDITIONAL INFO
ADDITIONAL INFO
DURATION OF THE TEST
10 minutes.
TIME OF RESPONSE OR OUTCOME
48-72 hours.
For any additional queries please do not hesitate to contact through e-mail [email protected] or on the phone 914 297 541.
