173 results found
Medical tests
… spots in the pictures. Areas where the tracer collects in low amounts or does not show up are seen as dark spots. The … camera will be placed right above you. It may move slowly above and around your body, scanning for the tracer … may find it hard to lie still during the scan. Ask for a pillow or blanket to make yourself as comfortable as possible …
Medical tests
… viral load. This means that the amount of the virus is too low for the test to detect. When the virus is undetectable, … blood. It means that the amount of HIV in the blood was too low for the test to detect. CD4+ Cells … viral load. This means that the amount of the virus is too low for the test to detect. When the virus is undetectable, …
Medical tests
… your skin away from the urine stream. After the urine has flowed for several seconds, place the collection container in … health. Urine test results Colour Normal: Pale to dark yellow Abnormal: Many foods and medicines can affect the … or substances (such as sugar or protein) in the urine. Very low specific gravity means dilute urine, which may be caused …
Medical tests
… that can cause problems and damage the teeth, gums, and bone. Acids can eat away at tooth enamel by removing … your teeth. Then you will use the disclosing product. Follow the instructions on the package. Gently rinse your mouth … missing. Disclosing tablets Chew a disclosing tablet and allow it to mix with your saliva. Swish the mixture around in …
Medical tests
… and stress echocardiograms. A Doppler echo shows blood flow through the heart and blood vessels. It can be done … usually done to find out if you might have decreased blood flow to your heart ( coronary artery disease ). … the probe is closer to the heart and because the lungs and bones of the chest wall don't block the sound waves produced …
Medical tests
… This can often be avoided by putting the otoscope in slowly and carefully. If the otoscope does scrape the lining … and lined with small hairs and usually some yellowish brown earwax. The eardrum is normally pearly white or … grey, and you can see through it. Also, one of the tiny bones in the middle ear can be seen. The eardrum moves …
Medical tests
… cause red blood cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins in their blood. But lymphoma … up. In some cases, the clumped blood cells can stop the flow of blood to the tips of the fingers, toes, ears, or …
Medical tests
… and travels throughout your body and to your brain. This allows blood alcohol levels to increase quickly. The amount of … meter shows your BAC in a digital display window after you blow into a mouthpiece attached to the meter. This type of … driving abilities. Your driving may be impaired even with a low BAC level, such as below 0.05. The breath alcohol test …
Medical tests
… These tests are not thyroid hormone tests. High or low levels of thyroid hormones also can be signs of thyroid … after thyroid hormone tests to find the cause of high or low levels of thyroid hormones. High levels of these … if you have a goiter or symptoms of thyroid disease. The following tests may be done: Antithyroid peroxidase antibody: …
Medical tests
… into water and carbon dioxide. When the oxygen level is low, carbohydrate breaks down for energy and makes lactic … as heart failure , a severe infection (sepsis), or shock —lower the flow of blood and oxygen throughout the body. Lactic acid …
