329 results found
Medical tests
… test ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, injected, or absorbed through the … be done right away in this situation. A toxicology test can also be done up to 3-4 days after a possible overdose. …
Medical tests
… have largely been replaced by computed tomography (CT) scans . A skull X-ray may help find head injuries, bone … and metallic foreign objects stuck in the skull. They can also check problems on a baby's head, such as an odd … by CT scans. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… Test Overview A voiding cystourethrogram (say "sis-toh-you-REE-throh-gram") is a test that is done to see if there … called a VCUG, uses contrast fluid and X-rays so the doctor can see how the bladder fills and drains. A VCUG can show if urine from the bladder is flowing back up toward …
Medical tests
… is used to detect carbon monoxide poisoning . Poisoning can happen if you breathe air that contains too much carbon monoxide (CO). This gas has no colour, odour, or taste, so you can't tell when you are breathing it. The test measures the …
Medical tests
… Computed Tomography (CT) Scan of the Spine On this page: Test Overview Why It Is Done … Feels Risks Results Test Overview A CT scan uses X-rays to make detailed pictures of the spine and vertebrae . During the test, you will lie on a table that is attached to the CT scanner, …
Medical tests
… ENG checks how well the eyes, inner ears , and brain help you keep your balance and position (such as when you change … not eat for 3 to 4 hours before the test, because the test can cause nausea and vomiting. Do not wear facial makeup or lotion during the test so the electrodes can attach to the skin. If you normally wear glasses, …
Medical tests
… of FSH in men normally remains constant. The FSH level can help find out if male or female sex organs (testicles or … and other hormones are measured to: Find out why a couple can't become pregnant. Help diagnose menstrual problems or … such as cimetidine, letrozole, and levodopa, can change your test results. You may be asked to stop taking medicines …
Medical tests
… is working. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … the normal range may still be normal for you. Many diseases can cause LDH levels to go up. Other tests are usually … many healthy people, a slightly high LDH isn't serious. It can happen because of exercise or because of a technical …
Medical tests
… Doctors use the KOH preparation test to find out if you have a fungal infection. This kind of infection can happen in various parts of the body, such as the skin, … , or beard . Athlete's foot . Fungal nail infection . Oral candidiasis ( thrush ). Vaginal yeast infection . How To …
Medical tests
… (also called a Mantoux tuberculin test) is done to see if you have ever been exposed to tuberculosis (TB). The test is … , show that a person may have TB. A tuberculin skin test cannot tell how long you have been infected with TB. It also cannot tell if the infection is latent (inactive) or if you …
