295 results found
Medical tests
… keep the water (the amount of fluid inside and outside the body's cells) and electrolyte balance of the body. Sodium is also important in how nerves and muscles work. Most of the sodium in the body (about 85%) is found in blood and lymph fluid. Sodium …
Medical tests
… takes a few minutes. How It Feels Direct ophthalmoscopy During this test, you may hear a clicking sound as the tool … ) is found. Optic nerve damage caused by glaucoma is found. Changes in the retina (such as hard, white deposits beneath … ) is found. Optic nerve damage caused by glaucoma is found. Changes in the retina (such as hard, white deposits beneath …
Medical tests
… your fingers. Keep the large container in the refrigerator during the collection period. Empty your bladder for the … solution. Almost all of the D-xylose is eliminated from the body in the urine within 5 hours. If the intestines can't … solution. Almost all of the D-xylose is eliminated from the body in the urine within 5 hours. If the intestines can't …
Medical tests
… particle (ion) that contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, … bones. The rest of it is stored in tissues throughout the body. The kidneys help control the amount of phosphate in the body. Extra phosphate is filtered by the kidneys and passes …
Medical tests
… particle (ion) that contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, … bones. The rest of it is stored in tissues throughout the body. The kidneys help control the amount of phosphate in … phosphate is filtered by the kidneys and passes out of the body in the urine. A high level of phosphate in the blood is …
Medical tests
… , in your blood. Antibodies are substances made by the body's immune system in response to bacteria, viruses, … are: IgA. IgA antibodies are found in areas of the body such the nose, breathing passages, digestive tract, ears, eyes, and vagina. IgA antibodies protect body surfaces that are exposed to outside foreign …
Medical tests
… white blood cells called CD4+ cells. They are part of the body's immune system that help fight infections. HIV can … the blood is called the seroconversion or "window" period . During this period, an HIV-infected person can still spread … with the virus. PCR testing isn't done as often as antibody testing, because it requires technical skill and …
Medical tests
… the drainage angle ) is open or closed. It is often done during a regular eye examination, depending on your age and … or other damage to the drainage angle. Treat glaucoma. During gonioscopy, laser light can be pointed through a … to numb your eye wears off. If your eyes might be dilated during your examination, your doctor may suggest that you …
Medical tests
… airway through a thin viewing device called a bronchoscope. During a bronchoscopy , your doctor will examine your … products you take. Some may increase the risk of problems during your procedure. Your doctor will tell you if you … You will be given a cloth or paper covering to use during the procedure. The procedure is done by a thoracic …
Medical tests
… used in imaging tests that help find problems inside the body. These tracers give off particles that can be detected … it into the lungs. The tracer then travels through the body and may collect in a certain organ or area. The types … benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
