• About
  • Contact
  • Cookie
  • Disclaimer
  • Privacy Policy
  • Change the purpose of use

Tnhelearning.edu.vn - Various useful general information portal

  • Photo
  • Bio
  • How To
  • Tech

How to Read Tuberculosis Skin Test Results

January 16, 2024 by admin Category: How To

You are viewing the article How to Read Tuberculosis Skin Test Results  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

X

This article was co-written by Mandpin S. Ziadie, MD. Dr. Ziadie is a licensed South Florida pathologist specializing in pathology and clinical practice. She earned her medical degree from the University of Miami School of Medicine in 2004 and completed her study in Pediatric Pathology at Children’s Medical Center in 2010.

There are 7 references cited in this article that you can view at the bottom of the page.

This article has been viewed 13,234 times.

The TB skin test, also known as the Mantoux test, is a test that measures the immune system’s response to the bacteria that cause tuberculosis. After two days, the test results will be interpreted by your doctor, but if you want to learn how to read the results, this article will guide you through the process. However, you should note that test results should be read by a qualified person. Although you can read it yourself, the results should still be recorded by medical professionals to ensure an appropriate treatment afterwards. [1] X Trusted Source Centers for Disease Contrp and Prevention Go to source

Table of Contents

  • Steps
    • Read test results
    • Interpretation of test results
  • Advice
  • Warning

Steps

Read test results

Image titled Read a Tuberculosis Skin Test Step 1

Image titled Read a Tuberculosis Skin Test Step 1

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/b/ba/Read-a-Tuberculosis-Skin-Test-Step-1-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-1-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/b/ba/Read-a-Tuberculosis-Skin- Test-Step-1-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-1-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
See your doctor for testing. You will receive injections of pure extracted protein into your forearm. At the injection site, a small blister about 6-10 mm will emerge, but will disappear within a few hours. [2] X Trusted Source Centers for Disease Contrp and Prevention Go to source
Image titled Read a Tuberculosis Skin Test Step 2

Image titled Read a Tuberculosis Skin Test Step 2

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/d/dc/Read-a-Tuberculosis-Skin-Test-Step-2-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-2-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/d/dc/Read-a-Tuberculosis-Skin- Test-Step-2-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-2-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Leave the injection site open. Do not cover the injection site for 48 to 72 hours. You can wash your hands and dry them gently. [3] X Research Sources

  • You should not scratch or rub the injection site, as this will make the test area red and give false results. If you feel itchy, you can use a cold washcloth on your hand. [4] X Research Sources
READ More:   How to Check Cellular Data Usage on iPhone
Image titled Read a Tuberculosis Skin Test Step 3

Image titled Read a Tuberculosis Skin Test Step 3

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/3/39/Read-a-Tuberculosis-Skin-Test-Step-3-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-3-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/3/39/Read-a-Tuberculosis-Skin- Test-Step-3-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-3-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Re-examination. The test must be read in 48-72 hours. If you return to your doctor after 72 hours, the test will no longer be valid and must be repeated. [5] X Trusted Source Centers for Disease Contrp and Prevention Go to source
Image titled Read a Tuberculosis Skin Test Step 4

Image titled Read a Tuberculosis Skin Test Step 4

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/9/93/Read-a-Tuberculosis-Skin-Test-Step-4-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-4-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/9/93/Read-a-Tuberculosis-Skin- Test-Step-4-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-4-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Find and mark the bump. Use your fingertips to find a bump on your forearm. It is a hard, thick and prominent halo. When found, mark the two edges with the widest distance of the bump. [6] X Trusted Source Centers for Disease Contrp and Prevention Go to source Note, only this section is important for your test results, minor redness or swelling is not taken into account. .

  • The bump isn’t always visible, so it’s a good idea to look with your fingertips. [7] X Trusted Source Centers for Disease Contrp and Prevention Go to source
Image titled Read a Tuberculosis Skin Test Step 5

Image titled Read a Tuberculosis Skin Test Step 5

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/3/31/Read-a-Tuberculosis-Skin-Test-Step-5-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-5-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/3/31/Read-a-Tuberculosis-Skin- Test-Step-5-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-5-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Measure the hard bump. A red rash in the test area does not mean you have TB, as the firm bump needs to be measured to know the results. Use a ruler in mm to measure it horizontally. [8] X Trusted Source Centers for Disease Contrp and Prevention Go to the source Place the ruler so that the zero line is at the left edge of the bump, at the spot you marked, then measure the distance from there to the spot. mark of the right edge. [9] X Trusted Source Centers for Disease Contrp and Prevention Go to source

  • If the marking is between two divisions, use a ruler with smaller units.
READ More:   How to Repair a Perforated Hollow Core Door

Interpretation of test results

Image titled Read a Tuberculosis Skin Test Step 6

Image titled Read a Tuberculosis Skin Test Step 6

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/8/83/Read-a-Tuberculosis-Skin-Test-Step-6-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-6-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/8/83/Read-a-Tuberculosis-Skin- Test-Step-6-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-6-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Identify high-risk groups. If the papule size is 5 mm or more, the test person belongs to the group that is susceptible to tuberculosis. This group includes people:

  • HIV disease
  • liver transplant
  • weakened immune system for many reasons
  • recent contact with a patient with tuberculosis
  • chest x-ray test for tuberculosis
  • end-stage renal failure [10] X Trusted Source PubMed Central Go to source
Image titled Read a Tuberculosis Skin Test Step 7

Image titled Read a Tuberculosis Skin Test Step 7

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/d/d5/Read-a-Tuberculosis-Skin-Test-Step-7-Version-3.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-7-Version-3.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/d/d5/Read-a-Tuberculosis-Skin- Test-Step-7-Version-3.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-7-Version-3.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Identify the average risk group. If the papule size is 10 mm or more, the test person belongs to the group with an average risk of TB infection. This group includes people:

  • recently immigrated from a country where tuberculosis is common
  • inject drugs
  • work in a health care setting, prison, nursing home, or similar setting
  • at risk for TB because of diseases such as diabetes, leukemia, or being underweight
  • Children under 4 years old
  • children or adolescents exposed to adults who are at high risk for TB [11] X Credible Sources Centers for Disease Contrp and Prevention Go to source
Image titled Read a Tuberculosis Skin Test Step 8

Image titled Read a Tuberculosis Skin Test Step 8

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/8/88/Read-a-Tuberculosis-Skin-Test-Step-8-Version-2.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-8-Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/8/88/Read-a-Tuberculosis-Skin- Test-Step-8-Version-2.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-8-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Where the swelling is large in size. For people who are not in the high- and medium-risk groups, if the swelling is 15 mm or more, the person is considered TB-positive. This group can include everyone, excluding those at high risk for TB infection. In addition, a test result is considered positive if blisters appear, even if only slightly. [12] X Trusted Source PubMed Central Go to source
  • Image titled Read a Tuberculosis Skin Test Step 9

    Image titled Read a Tuberculosis Skin Test Step 9

    {“smallUrl”:”https://www.wikihow.com/images_en/thumb/f/f0/Read-a-Tuberculosis-Skin-Test-Step-9-Version-2.jpg/v4-728px-Read- a-Tuberculosis-Skin-Test-Step-9-Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/f/f0/Read-a-Tuberculosis-Skin- Test-Step-9-Version-2.jpg/v4-728px-Read-a-Tuberculosis-Skin-Test-Step-9-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,” bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
    Negative results. If there is no hard bump, the result is negative. [13] X Research Source In case you have only mild swelling or redness, but no stiffness, the result is also negative. [14] X Trusted Source Centers for Disease Contrp and Prevention Go to source

    • Even if you believe your test result is negative, you should still return to your doctor for a professional examination.
    READ More:   How to Fix Forward Head Pose
  • Advice

    • Perform additional testing as directed by your doctor if the result is positive or near positive.

    Warning

    • False-positive or negative results can occur in TB testing. If you have questions about the results, consult your doctor as soon as possible.
    • Within 72 hours, a TB test should be checked by a qualified, trained and trained person to give the most accurate reading.
    X

    This article was co-written by Mandpin S. Ziadie, MD. Dr. Ziadie is a licensed South Florida pathologist specializing in pathology and clinical practice. She earned her medical degree from the University of Miami School of Medicine in 2004 and completed her study in Pediatric Pathology at Children’s Medical Center in 2010.

    There are 7 references cited in this article that you can see at the bottom of the page.

    This article has been viewed 13,234 times.

    The TB skin test, also known as the Mantoux test, is a test that measures the immune system’s response to the bacteria that cause tuberculosis. After two days, the test results will be interpreted by your doctor, but if you want to learn how to read the results, this article will guide you through the process. However, you should note that test results should be read by a qualified person. Although you can read it yourself, the results should still be recorded by medical professionals to ensure an appropriate treatment afterwards. [1] X Trusted Source Centers for Disease Contrp and Prevention Go to source

    Thank you for reading this post How to Read Tuberculosis Skin Test Results at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

    Related Search:

    Related Posts

    How to Create Curved Text in Photoshop
    How to fall asleep faster
    How to Install FBReader to Read eBooks

    Category: How To

    Previous Post: « Top 999+ deeni images – Amazing Collection deeni images Full 4K
    Next Post: Top 999+ islamic images for whatsapp dp – Amazing Collection islamic images for whatsapp dp Full 4K »

    Copyright © 2025 · Tnhelearning.edu.vn - Useful Knowledge