243 results found
Medical tests
… study. In some cases, a contrast material may be used during the MRI to show certain parts of the body more clearly. The MRI can find changes in the spine and in other tissues. It also can find … certain parts of the body more clearly. The MRI can find changes in the spine and in other tissues. It also can find …
Medical tests
… to see how taking a steroid medicine called dexamethasone changes the levels of the hormone cortisol in the blood. … Sometimes other conditions can keep cortisol levels high during this test. Examples include alcohol use disorder , … to see how taking a steroid medicine called dexamethasone changes the levels of the hormone cortisol in the blood. …
Medical tests
… Body temperature can vary by as much as 0.6°C (1°F) during the day. Before you take your temperature: Wait at … . But that may not be normal for you. Your temperature also changes during the day. It is usually lowest in the early … you exercise on a hot day. A woman's body temperature often changes by 0.6°C (1°F) or more through her menstrual cycle. …
Medical tests
… fibrosis have a high level of chloride in their sweat. During the sweat test , medicine that causes a person to … You may help with the test and stay with your child during the test. If you can't stay, you may want to ask a … is done. See if your child might be able to watch a movie during the test. How It Is Done The sweat test is usually …
Medical tests
… and beta-blockers . The amount of aldosterone in blood changes depending on whether you are standing up or lying … Liver disease. Heart failure. Dehydration. A condition during pregnancy that causes high blood pressure ( … and beta-blockers . The amount of aldosterone in blood changes depending on whether you are standing up or lying …
Medical tests
… been passed in the urine or removed from the urinary tract during surgery. Chemical analysis of a kidney stone shows … That's because a stone may pass into your bladder during the night. Look carefully at the strainer for a … been passed in the urine or removed from the urinary tract during surgery. Chemical analysis of a kidney stone shows …
Medical tests
… The body needs more iron at times of growth (such as during adolescence), for pregnancy, during breastfeeding, or … is a blood disorder that runs in families (inherited). It changes how the body makes hemoglobin. The iron levels are … is a blood disorder that runs in families (inherited). It changes how the body makes hemoglobin. The iron levels are …
Medical tests
… fluid, or CSF ) that surrounds the brain and spinal cord. During a spinal tap, a needle is carefully inserted into the … may be present. The pressure of the CSF also is measured during the procedure. Why It Is Done A spinal tap is done … products you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should …
Medical tests
… find head injuries, bone fractures , or abnormal growths or changes in bone structure or size. Why It Is Done A skull … It is not a reason to avoid the test. If you need an X-ray during pregnancy, a lead apron will be put over your belly … find head injuries, bone fractures , or abnormal growths or changes in bone structure or size. Why It Is Done A skull …
Medical tests
… the bladder and urethra. Follow up on other problems found during a different test such as a CT scan of the urinary … products you take. Some may increase the risk of problems during your procedure. Your doctor will tell you if you … the bladder and urethra. Follow up on other problems found during a different test such as a CT scan of the urinary …
