329 results found
Medical tests
… Help find the cause of symptoms such as rectal bleeding (blood in the stool), belly or pelvic pain, a change in … press firmly on the prostate to feel for problems. This pressure may make you feel the need to urinate. The … Help find the cause of symptoms such as rectal bleeding (blood in the stool), belly or pelvic pain, a change in …
Medical tests
… to cell damage. LDH levels are measured from a sample of blood taken from a vein. Why It Is Done LDH levels help find … to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can happen because of exercise or … to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can happen because of exercise or …
Medical tests
… the skin surface and away from any internal organs or large blood vessels. A bone biopsy is often done on bone areas … and bone cancer, such as multiple myeloma . See what is causing a bone infection ( osteomyelitis ) or if an infection … pinch or sting from the numbing medicine. You may feel pressure or a brief, sharp pain as the needle enters the …
Medical tests
… For internal monitoring, a sensor is strapped to your thigh. A thin wire (electrode) from the sensor is put through … Monitoring may also be done if you have diabetes or high blood pressure or if you are more than 41 weeks pregnant. Internal …
Medical tests
… ophthalmoscopy, vision testing, and tonometry (to measure pressure in the eye). To look at structures in the back of … eyes may be sensitive to light. You will have trouble focusing your eyes for several hours. If you know that your … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs …
Medical tests
… Information Test Overview Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A … and alanine aminotransferase. Check to see if the body is using up its clotting factors so quickly that the blood … with artificial heart valves, because these valves have a high chance of causing clots to form. Abnormal values A …
Medical tests
… Indirect laryngoscopy is done in a doctor's office using a small hand mirror held at the back of the throat. … a feeling of a lump in the throat, or mucus with blood in it. Check injuries to the throat, narrowing of the … bright light hooked to it. He or she may ask you to make a high-pitched "e-e-e-e" sound or a low-pitched "a-a-a-a" …
Medical tests
… How To Prepare How It Is Done Results Test Overview Some blood tests are used to determine whether your liver is … long-term (chronic) infection. If liver enzymes are high, a test for hepatitis C antibodies may be done to see … long-term (chronic) infection. If liver enzymes are high, a test for hepatitis C antibodies may be done to see …
Medical tests
… amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and … disease, or who live in a community or population with a high amount of Tay-Sachs disease may want to be tested. … has Tay-Sachs disease. This is done early in pregnancy using amniocentesis or chorionic villus sampling. How To …
Medical tests
… outside the body change a lot. When you are too hot, the blood vessels in your skin widen to carry the excess heat to … in people who have been exposed to cold. Check for a very high body temperature in people who have been exposed to … Comparing temperature types You can take a temperature using the mouth (oral), anus (rectal), armpit (axillary), or …
