R. Steven Tharratt MD FACP FCCP


Pneumonia

Top of the pagePneumoniaPneumonia is a lung infection that can make you very sick. You may cough, run a fever, and have a hard time breathing. It can usually be treated at home, but some people need to go to the hospital.Pneumonia can be caused by bacteria or a virus....

Tuberculin Skin Test

A tuberculin skin test (also called a Mantoux tuberculin test) is done to see if you have ever been exposed to tuberculosis (TB). The test is done by putting a small amount of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium…

Mantoux Tuberculin Skin Test

Source: U.S. Centers for Disease Control and Prevention (CDC). http://www.cdc.gov During a Mantoux (PPD) tuberculin skin test, TB antigens are injected under the top layer of skin. A positive reaction, usually a firm red bump where the needle went into your skin, means you were exposed to TB bacteria. This test does not…

Extrapulmonary Tuberculosis

Extrapulmonary tuberculosis (TB) is an infection caused by tuberculosis bacteria that have spread beyond the lungs. People from certain regions (such as southeast Asia), infants and very young children, and people infected with the human immunodeficiency virus (HIV) have an increased risk of developing extrapulmonary…

Oximetry

Oximetry is a medical test that uses a device called an oximeter to measure the amount of oxygen in the blood (oxygen saturation). A special sensor in a cuff or clip is placed on the end of a person’s finger or toe or on the person’s earlobe. The sensor measures the amount of oxygen in the blood flowing in the tiny…