289 results found
Medical tests
… tyrosine, the phenylalanine level builds up in the baby's blood and can cause brain damage, seizures, and intellectual … site. Results If the heel stick screening test shows high phenylalanine levels, a blood sample is taken from your … site. Results If the heel stick screening test shows high phenylalanine levels, a blood sample is taken from your …
Medical tests
… diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy … If you have several of these antibodies—or have them in high amounts—you may have an autoimmune disease. You may … If you have several of these antibodies—or have them in high amounts—you may have an autoimmune disease. You may …
Medical tests
… called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device … and stress echocardiograms. A Doppler echo shows blood flow through the heart and blood vessels. It can be … called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device …
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 how soon to do it. If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it … 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 … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs … 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 … with artificial heart valves, because these valves have a high chance of causing clots to form. Abnormal values A … with artificial heart valves, because these valves have a high chance of causing clots to form. Abnormal values 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 …
