196 results found
Medical tests
… or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your … diet does not contain enough carbohydrates to supply the body with sugar (glucose) for energy or if your body can't …
Medical tests
… The thyroid gland makes hormones that regulate the way the body uses energy. The thyroid gland is a butterfly-shaped … and adults need the hormones to regulate the way the body uses energy ( metabolism ). Thyroid hormone blood tests … T4 is free. Free thyroxine affects tissue function in the body, but bound thyroxine does not. A total T4 blood test …
Medical tests
… or germ, that causes gonorrhea . Testing is done on body fluid or urine samples. Gonorrhea is a sexually … accurate. They can be done on urine samples or samples of body fluid from the area where the infection is suspected. … the bacteria that cause a gonorrhea infection. A sample of body fluid from areas such as the cervix, urethra, eye, …
Medical tests
… how well your heart is pumping blood to the rest of your body. During this test, a small amount of a radioactive … detected. Then the camera will be positioned close to your body. If you are cold or uncomfortable lying on the table, … to make sure that the tracer flushes completely out of your body. It takes a day or two for the tracer to be completely …
Medical tests
… the blood can spread the bacteria to any part of the body. A blood infection most often occurs with other serious … corticosteroids or chemotherapy ) that change how well your body can fight infections (immunity). For a blood culture, a … arm. Blood is often collected from two or three different body sites. Or it may be collected at two different times a …
Medical tests
… a catheter is used to fill your bladder with sterile, room-temperature water. The catheter is also attached to a device … a catheter is used to fill your bladder with sterile, room-temperature water. The catheter is also attached to a device …
Medical tests
… hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your … your blood and put it into urine so that it can leave your body. But if your body is making too much uric acid, the level in the urine …
Medical tests
… such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body breaks down these hormones and passes them into your … tumour is present. Any major stress, such as burns, a whole-body infection (sepsis), illness, surgery, or traumatic …
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), and it helps the body manage stress. Cortisol levels can be affected by many … such as recent surgery, illness, injury, or whole-body infection (sepsis) can cause high cortisol levels. Low …
Medical tests
… the brain, and the adrenal glands . Catecholamines help the body respond to stress or fright and prepare the body for "fight-or-flight" reactions. The adrenal glands … is present. Any major stress, such as burns, a whole-body infection (sepsis), illness, surgery, or traumatic …