305 results found
Medical tests
… and stress echocardiograms. A Doppler echo shows blood flow through the heart and blood vessels. It can be done during any of these types of … heartbeat (ejection fraction) is normal. There is no excess fluid in the sac surrounding the heart, and the lining …
Medical tests
… a vein ( IV) in your arm. The tracer moves through your blood and into the salivary glands. A special camera takes … by an infection ( abscess ), inflammation , or a pocket of fluid ( cyst ). See if a growth in the parotid gland is a … benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
Medical tests
… measure how much tracer the thyroid gland absorbs from the blood. The test can show how much tracer is absorbed by the … radioactive iodine. Iodine can be taken as a capsule or a fluid 4 to 24 hours before the test. Iodine has little or no … jewellery or metal objects from around your neck and upper body. How It Is Done A radioactive iodine uptake (RAIU) test …
Medical tests
… kidney from substances that would normally pass out of the body in the urine. When there are large amounts of these … pain. A kidney stone may cause other symptoms, such as blood in the urine (hematuria), pain when urinating, or a … Any stone you find should be kept dry—do not put it in fluid or urine. Put it in a cup with a lid or in a plastic …
Medical tests
… is most often used to find a pulmonary embolism . This is a blood clot that prevents normal blood flow in the lung. Two … test. Steps you can take Most of the tracer will leave your body through your urine or stool within a day. So be sure to … be around you after the test. After the test, drink lots of fluids for the next 24 hours to help flush the tracer out of …
Medical tests
… test detects antibodies to the Lyme disease bacteria in the blood. Lyme disease bacteria are spread by certain kinds of … do a careful medical history and physical examination. Antibody tests can sometimes be used to help identify Lyme … PCR test is a blood or urine test, but can also be done on fluid from the spine or from a joint. Why It Is Done A Lyme …
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ). … activity the day before the test. Be sure to drink enough fluids during the 24-hour urine test. This prevents … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels …
Medical tests
… is used to see whether a breast lump is filled with fluid (a cyst ) or if it is a solid lump. An ultrasound does … A special Doppler ultrasound may be used to check the blood flow to the breast; you can hear the sound waves from … A special Doppler ultrasound may be used to check the blood flow to the breast; you can hear the sound waves from …
Medical tests
… injected into a vein in your arm. It travels through your blood to the testicles. Parts of the testicles where the … The tracer may also show where there is a pocket of fluid ( cyst ) or infection ( abscess ). A scan may be done … test. Steps you can take Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
Medical tests
… In many cases MRI gives information about structures in the body that cannot be seen as well with an X-ray , ultrasound … in the pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … tumours, are present. No broken bones ( fractures ), extra fluid, or loose bodies are present. No signs of inflammation …