272 results found
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, along … with other lab tests and imaging scans, to help check for blood-clotting problems. A d-dimer test can also be used to …
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 … is usually done to find out if you might have decreased blood flow to your heart ( coronary artery disease ). …
Medical tests
… It Is Done Results Test Overview The blood supply to your hand normally comes from two arteries: … procedure called the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of these blood vessels are open and working correctly. It may be done …
Medical tests
… Information Test Overview Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A prothrombin time test can be used to check … PT is also used to check whether medicine to prevent blood clots is working. A PT test may also be called an INR …
Medical tests
… Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the protein in red blood cells that carries oxygen. Iron is also needed for … About 70% of the body's iron is bound to hemoglobin in red blood cells . The rest is bound to other proteins, such as …
Medical tests
… a bone scan . Find areas of the spine that do not have good blood supply. Find an infection. Find nerve damage caused by … of the results of the MRI with you right after the test. Complete results are usually ready for your doctor in 1 to 2 … of the results of the MRI with you right after the test. Complete results are usually ready for your doctor in 1 to 2 …
Medical tests
… much urine remains in your bladder after you feel you have completely emptied it (residual volume). Help you and your … a bladder infection can spread to a kidney and into the blood, leading to a life-threatening infection. If an … much urine remains in your bladder after you feel you have completely emptied it (residual volume). Help you and your …
Medical tests
… for testicular cancer . Testicular examination This is a complete physical examination of the groin and the genitals, … mean an infection, such as epididymitis . Or it may mean blood flow to the testicle is blocked ( testicular torsion … for testicular cancer . Testicular examination This is a complete physical examination of the groin and the genitals, …
Medical tests
… Test Overview A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in the blood. Normally, antibodies are produced by the immune … person can have a high RF level. The amount of RF in blood can be measured in two ways: Agglutination tests. One …
Medical tests
… see images and get information about your child's heart and blood vessels from the inside. It can also be done to repair … a thin tube called a catheter. The catheter is put into a blood vessel in the groin, neck, or other place on your … body. Then the doctor moves the catheter through the blood vessel to the heart. The doctor may use the catheter …