Tuberculosis
-- Respiratory infection that can spread to other body systems. (i.e. Circulatory system, lymphatic system and the Central Nervous System.)
-- Persons may be asymptomatic if exposed to TB.


Mycobacterium tuberculosis


A culture of Mycobacterium tuberculosis









--A chest x-ray can tell a Doctor whether a patient has TB
-- This chest x-ray is positive for TB.













-- This is a TB test to see if you have been exposed to Tuberculosis
-- 1 cc of TB reagent is place subcutaneously in an arm.
-- Patients return to have their test read in between 48-72 hours giving the reagent time to react.












-- This is a Positive skin test meaning this person has been exposed to TB.
-- The red swollen area is measured with a ruler and is measured in duration of millimeters. Any red swollen are reading over 5 mm is consider a positive read out.

-- There is a vaccination that is used in Mexico that will react with the TB reagent
used in the skin test. If a person has had this vaccination their test could come
back as looking positive.