294 results found
Medical tests
… it may be recommended. In most cases, you are allowed to take your medicines with water the morning of the test. Do … test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you …
Medical tests
… for this test. Single-breath or breath-holding method: You take a breath of air from a container. The air contains a very small amount of carbon monoxide. Measurements are taken as you breathe in. Steady-state method: You do the same thing, but measurements are taken as you breathe out. Body plethysmography Body …
Medical tests
… angle ). A camera may be attached to the slit lamp to take pictures of different parts of the eye. Fluorescein dye … In some cases, a camera may be attached to the slit lamp to take pictures of different parts of the eye. A test called … from an infection or dryness. A slit lamp examination takes about 5 to 10 minutes. How It Feels It is usually not …
Medical tests
… How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. For a woman who … may be needed to help find the problem. A sample may be taken each day for several days in a row. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you …
Medical tests
… for the body's needs. But if your levels get low, it can take some time for your body to start holding on to … for the body's needs. But if your levels get low, it can take some time for your body to start holding on to …
Medical tests
… the test so that your bladder is full. You may need to take off all or most of your clothes, depending on which … one or both limbs. It allows your blood pressure to be taken at several different places. When the legs are tested, … After the doctor has found the blood vessel, it may take some time to assess the blood flow. How long the test …
Medical tests
… Be sure to tell your doctor about all the medicines you take, even over-the-counter ones. Many medicines can change … test. If you're going to have electrode pads or a patch, take a shower or bath before the patch or pads are put on. … or have a bowel movement. Have sex. Sleep. Get upset. Take medicine. If you have any symptoms of heart problems, …
Medical tests
… medicine. How To Prepare To prepare for this test: Do not take antacids (such as Tums) for 24 hours before the test. … be asked to avoid high-acid foods. You will not be able to take a bath, except for a careful sponge bath, or do … coughing or gagging. The test may be easier if you try to take slow, deep breaths. You may not like the taste of the …
Medical tests
… cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so … all the over-the-counter and prescription medicines you take. How It Is Done A uric acid urine test is usually done … cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so …
Medical tests
… How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you … of having a problem from this test. When a blood sample is taken, a small bruise may form at the site. Results Normal …