272 results found
Medical tests
… attached to the root of the hair. It can be used to find out if people are related. Forensic hair analysis can be … sample to show changes in the body, because hair grows slowly. Hair samples do not show recent changes in the body, … analysis If you are collecting your own hair sample, follow the instructions given to you by the laboratory. In …
Medical tests
… Overview The retrograde pyelogram uses a dye to find out whether a kidney stone or something else is blocking … kidneys, ureters, and bladder appear normal. Abnormal The flow of the dye (contrast material) is blocked, either by a … kidneys, ureters, and bladder appear normal. Abnormal The flow of the dye (contrast material) is blocked, either by a …
Medical tests
… how much and how quickly you can breathe air in and out. An exercise challenge test can see what effect exercise has on airflow. Most people with asthma have some decreased airflow during or after exercise. But most people who have …
Medical tests
… Test Overview Doctors use the KOH preparation test to find out if you have a fungal infection. This kind of infection … (KOH) solution and is gently heated. This solution slowly dissolves the skin cells but not the fungus. The … (KOH) solution and is gently heated. This solution slowly dissolves the skin cells but not the fungus. The …
Medical tests
… in the kidney from substances that would normally pass out of the body in the urine. When there are large amounts … little pain. A larger stone may cause a lot of pain in the lower back, groin, or genitals as it moves down the ureters … little pain. A larger stone may cause a lot of pain in the lower back, groin, or genitals as it moves down the ureters …
Medical tests
… gland nodule and a simple fluid-filled sac ( cyst ). Find out if the thyroid gland is too large. A thyroid ultrasound … a high table with your neck stretched out. You'll have a pillow under your shoulders. Gel will be spread on your neck. … cause some discomfort. You will be able to breathe and swallow normally during the test. You will not hear the sound …
Medical tests
… blood (plasma) has antibodies that attack type B blood. About 42 out of 100 people in Canada have type A blood, with 6 … and to check a pregnant woman's blood type. The following table shows the compatibility of blood types between blood donors and recipients. Read the table as follows: A person who has A-negative blood can receive …
Medical tests
… other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. … and who handles food is likely to infect others. Find out if treatment for an infection has worked as it should. … a recent test with contrast material , such as a barium swallow or a barium enema. How It Is Done Stool samples can be …
Medical tests
… from the body. In most cases, a needle is used to take out some fluid. Genital tests are done by taking a swab or … and kidney disease. Pericardial fluid may be tested to find out why the fluid is building up around the heart. Reasons … Synovial fluid may show crystals that are a sign of gout. A cell count test of the fluid can show if there is an …
Medical tests
… fluid has cells and other substances that can give clues about the health of your fetus. For this test, a needle is put … in your belly. To keep yourself comfortable, breathe slowly and relax your belly muscles during the test. Risks … blood. Results Normal amniotic fluid is clear to light yellow in colour and does not contain any harmful bacteria. The …
