195 results found
Medical tests
… by bacteria or viruses. Antibodies , which are made by the body to fight infection. Hepatitis B DNA , which is the … have many sex partners, or are likely to be exposed to body fluids (such as if you are a health care worker). … can spread the infection to others. Hepatitis B surface antibody shows the end of active infection and means you are …
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ). It helps the body manage stress. Cortisol levels can be affected by many … hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ). …
Medical tests
… you may be asked to drink 4 to 6 glasses of water so your body can wash out the tracer that does not collect in your … above you. It may move slowly above, below, and around your body, scanning for radiation released by the tracer and … test. Steps you can take Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
Medical tests
… and carbon dioxide levels can be measured before they enter body tissues. An ABG measures: Partial pressure of oxygen … and how well carbon dioxide is able to move out of the body. pH. The pH measures hydrogen ions (H+) in blood. The … from a vein, after the blood has already passed through the body's tissues where the oxygen is used up and carbon …
Medical tests
… Antithyroid Antibody Tests On this page: Test Overview Why It Is Done How To … Risks Results Test Overview Thyroid antibody tests measure the levels of antibodies that can destroy … can lead to hyperthyroidism (overactive thyroid). The body's immune system makes antibodies to fight infections. …
Medical tests
… In many cases MRI gives information about structures in the body that cannot be seen as well with an X-ray , ultrasound … aids, dentures, jewellery, watches, and hairpins) from your body. These objects may be attracted to the powerful magnet … In many cases MRI gives information about structures in the body that cannot be seen as well with an X-ray , ultrasound …
Medical tests
… blood through the heart to the lungs and the rest of the body. Why It Is Done An EKG is done to: Check the heart's … a completely safe test. No electricity passes through your body from the machine, and there is no danger of getting an … blood through the heart to the lungs and the rest of the body. Why It Is Done An EKG is done to: Check the heart's …
Medical tests
… and nerves. Tay-Sachs is an inherited disease in which the body can't break down fatty substances as it should, so the … gene that produces Hex A and one that doesn't. The child's body makes enough Hex A so they won't get the disease. But … and nerves. Tay-Sachs is an inherited disease in which the body can't break down fatty substances as it should, so the …
Medical tests
… kidney from substances that would normally pass out of the body in the urine. When there are large amounts of these … the stone passes through the urethra and out of the body in urine. Passing a kidney stone through a ureter or … kidney from substances that would normally pass out of the body in the urine. When there are large amounts of these …
Medical tests
… The oral glucose tolerance test (OGTT) measures the body's ability to use a type of sugar, called glucose, that is the body's main source of energy. An OGTT can be used to … The oral glucose tolerance test (OGTT) measures the body's ability to use a type of sugar, called glucose, that …
