329 results found
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … may be asked to avoid certain foods and fluids for 2 to 3 days before the test. They include: Caffeine, such as … may be asked to avoid certain foods and fluids for 2 to 3 days before the test. They include: Caffeine, such as …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a …
Medical tests
… exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid test. These activities … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, such as: Caffeine, such as … test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, such as: Caffeine, such as …
Medical tests
… (PSA) test is done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may … or has spread. How To Prepare Do not ejaculate during the 2 days before your PSA blood test, either during sex or … or has spread. How To Prepare Do not ejaculate during the 2 days before your PSA blood test, either during sex or …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … The results of this test are usually ready in 2 to 3 days. Thyroid and parathyroid ultrasound Normal: The thyroid … The results of this test are usually ready in 2 to 3 days. Thyroid and parathyroid ultrasound Normal: The thyroid …
Medical tests
… time. In the urine, amylase may remain high for several days. Why It Is Done A test for amylase is done to: Find … you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your … time. In the urine, amylase may remain high for several days. Why It Is Done A test for amylase is done to: Find …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not eat … the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your …
Medical tests
… the sound waves as they bounce off the different parts of your heart. These echoes are turned into moving pictures of your heart that can be seen on a video screen. … obtained by moving the transducer to different locations on your chest or abdominal wall. Stress echocardiogram. During …
Medical tests
… be done on a urine sample. If you have chlamydia, all of your sex partners from the last 60 days should be tested and treated footnote 1 . And you may … have chlamydia, all of your sex partners from the last 60 days should be tested and treated footnote 1 . And you may …
