false positive normal negative tb test pictures

#FALSE POSITIVE NORMAL NEGATIVE TB TEST PICTURES SKIN#

A liquid called tuberculin is injected under the skin on the lower part of your arm. TB skin test – a test that is often used to find out if you are infected with TB bacteria. A person with TB disease may be infectious and spread TB bacteria to others. If TB disease is in the lungs (pulmonary TB), the symptoms may include a bad cough, pain in the chest, and coughing up blood. Other symptoms of TB disease depend on where in the body the bacteria are growing. The symptoms of TB disease include weakness, weight loss, fever, no appetite, chills, and sweating at night. TB disease – an illness in which TB bacteria are multiplying and attacking a part of the body, usually the lungs. Examples of these TB blood tests include QuantiFERON ®-TB Gold In-tube (QFT-GIT) and T-Spot ®. The test measures the response to TB proteins when they are mixed with a small amount of blood. TB blood test – a test that uses a blood sample to find out if you are infected with TB bacteria. Sputum is examined for TB bacteria using a smear part of the sputum can also be used to do a culture. Sputum – phlegm coughed up from deep inside the lungs. This test usually takes 1 day to get the results.

To do this test, lab workers smear the phlegm on a glass slide, stain the slide with a special stain, and look for any TB bacteria on the slide. Smear – a test to see whether there are TB bacteria in your phlegm. Rifapentine (RPT) – one of two medicines used to treat latent TB infection. Rifampin (RIF) – one of the four medicines often used to treat TB disease. Resistant bacteria – bacteria that can no longer be killed by a certain medicine. Pulmonary TB – TB disease that occurs in the lungs, usually producing a cough that lasts 3 weeks or longer. If you have a positive TB skin test reaction or positive TB blood test reaction, you probably have TB infection. Positive – usually refers to a test result. If you have a negative TB skin test reaction or negative TB blood test reaction, you probably do not have TB infection. Negative – usually refers to a test result. Mycobacterium tuberculosis – bacteria that cause latent TB infection and TB disease. Multidrug-resistant TB (MDR TB) – TB disease caused by bacteria resistant to two of the most important medicines: INH and RIF. But they may develop TB disease if they do not receive treatment for latent TB infection. People with latent TB infection have no symptoms, don’t feel sick, can’t spread TB to others, and usually have a positive TB skin test or positive TB blood test reaction. Latent TB infection – a condition in which TB bacteria are alive, but inactive in the body. INH is also one of the four medicines often used to treat TB disease. Isoniazid (INH) – a medicine used to prevent TB disease in people who have latent TB infection.

A person with both latent TB infection and HIV infection is at very high risk for developing TB disease. HIV infection – infection with the human immunodeficiency virus, the virus that causes AIDS (acquired immunodeficiency syndrome).

You will take your medicine while the health care worker watches.Įxtensively drug-resistant TB (XDR TB) – XDR TB is a rare type of TB disease that is resistant to nearly all medicines used to treat TB.Įxtrapulmonary TB – TB disease in any part of the body other than the lungs (for example, the kidney, spine, brain, or lymph nodes). This can be the TB clinic, your home or work, or any other convenient location. You will meet at a place you both agree on. If you get DOT, you will meet with a health care worker every day or several times a week. This test can take 2 to 4 weeks in most laboratories.ĭirectly observed therapy (DOT) – a way of helping patients take their medicine for TB. A doctor can look at this film to see whether TB bacteria have damaged the lungs.Ĭontact – a person who has spent time with a person with infectious TB.Ĭulture – a test to see whether there are TB bacteria in your phlegm or other body fluids. A chest x-ray is made by exposing a film to x-rays that pass through the chest. BCG is rarely used in the United States, but it is often given to infants and small children in other countries where TB is common.Ĭhest x-ray – a picture of the inside of your chest. A person with TB disease may be infectious and spread TB bacteria to others.īCG – a vaccine for TB named after the French scientists who developed it, Calmette and Guérin. If TB disease is in the lungs (pulmonary TB), the symptoms may include a bad cough, pain in the chest, or coughing up blood. TB disease – an illness in which TB bacteria are multiplying and attacking a part of the body, usually the lungs The symptoms of TB disease include weakness, weight loss, fever, no appetite, chills, and sweating at night.

False positive normal negative tb test pictures