329 results found
Medical tests
… Test Overview Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve … fungi , or viruses), white blood cells , sugar (glucose), cancer cells, and other substances. Pericardiocentesis may … pressure on the heart. The pressure from excess fluid can prevent normal filling of the heart, which can reduce …
Medical tests
… Why It Is Done A test for magnesium is done to: Find a cause for nerve and muscle problems, such as muscle … treatment. Look for changes in magnesium levels caused by medicines, such as diuretics . See if people who have heart problems need extra magnesium. Low magnesium levels can increase the chances of life-threatening heart rhythm …
Medical tests
… Computed Tomography (CT) Scan of the Head and Face On this page: Test Overview Why It … Information Test Overview A computed tomography (CT) scan uses X-rays to make pictures of the head and face. … Why It Is Done A CT scan of the head is done to: Find the cause of symptoms, such as confusion, paralysis , numbness, …
Medical tests
… makes ALT levels go up. Most increases in ALT levels are caused by liver damage. The ALT test is often done along … disease. Keep track of the effects of cholesterol-lowering medicines and other medicines that can damage the liver. How To Prepare Avoid strenuous …
Medical tests
… moves food and liquid down to the stomach. Esophagus tests can check how well the muscles in the tube work, how strong … test can find: A weak lower esophageal sphincter . This may cause reflux. Weak muscle contractions when you swallow. … the test. Follow your doctor's instructions for using other medicines before the test. Do not drink alcohol or smoke for …
Medical tests
… brain, or nerves connecting them work. These problems may cause dizziness , vertigo , or loss of balance. Nystagmus … For a few days before the test you may be asked to avoid: Medicines that help your vertigo. Check with your doctor … not eat for 3 to 4 hours before the test, because the test can cause nausea and vomiting. Do not wear facial makeup or …
Medical tests
… analysis of a kidney stone shows the type of stone which can guide treatment and give information that may prevent … from the urine and form kidney stones. A kidney stone can be as small as a grain of sand or as large as a golf … through a ureter or the urethra may be painless or it may cause severe pain. A kidney stone may cause other symptoms, …
Medical tests
… a pain in your shoulder. This is called referred pain. It's caused by pain that travels along a nerve near the biopsy … need to lie on your right side for an hour or two. This can help stop bleeding in the part of your liver where the … may be cancelled. If your doctor told you to take your medicines on the day of the procedure, take them with only a …
Medical tests
… in response to bacteria, viruses, fungus, animal dander, or cancer cells. Antibodies attach to the foreign substances so … of antibody made in response to an infection. They also cause other immune system cells to destroy foreign … They are involved in allergic reactions to milk, some medicines, and some poisons. IgE antibody levels are often …
Medical tests
… upper part of the small intestine ( duodenum ). H. pylori can cause peptic ulcers . But most people with H. pylori in … test, unless your doctor tells you to. Stool antigen test Medicines may change the results of this test. Be sure to …
