289 results found
Medical tests
… Test Overview Partial thromboplastin time (PTT) is a blood test that measures the time it takes your blood to … closely checked. If you have a longer PTT, you may have a higher risk of bleeding. Medical Tests: … closely checked. If you have a longer PTT, you may have a higher risk of bleeding. Medical Tests: …
Medical tests
… waves are normally found when you are alert or have taken high doses of certain medicines, such as benzodiazepines . … has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a person has … waves are normally found when you are alert or have taken high doses of certain medicines, such as benzodiazepines . …
Medical tests
… himself or by his sex partner. The chance of cure is very high when this cancer is found early and treated right away. … also check the lymph nodes in your groin and your inner thigh for swelling. Self-exam The self-examination is best … mean an infection, such as epididymitis . Or it may mean blood flow to the testicle is blocked ( testicular torsion …
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a … means that a blood clotting problem isn't likely. A higher-than-normal d-dimer level might mean that there is a blood-clotting problem. But a higher level might be caused by some other health problem or …
Medical tests
… and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide … tomography (CT) scan . MRA can find problems with the blood vessels that may be causing reduced blood flow. With MRA, both the blood flow and the condition …
Medical tests
… X-rays to provide detailed pictures of the heart and the blood vessels that go to the heart, lung, brain, kidneys, … and arms. This test can show narrowed or blocked areas of a blood vessel. It can also show whether there is a bulge ( … ) or a buildup of fatty material called plaque in a blood vessel. During a CT angiogram, you lie on a table that …
Medical tests
… how much human immunodeficiency virus (HIV) is in the blood. The test measures the amount of the genetic material ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed … undetectable. This means there is very little virus in your blood. Why It Is Done A viral load test is done to watch for …
Medical tests
… , or the genetic material ( DNA or RNA ) of HIV in the blood or another type of sample. This can show if an HIV infection is present (HIV-positive). HIV infects white blood cells called CD4+ cells. They are part of the body's … to 12 weeks for HIV antibodies or antigens to appear in the blood. The period between becoming infected with HIV and the …
Medical tests
… antigen test also may be used to screen people who are at high risk for having giardiasis. Results A test that detects … antigen test also may be used to screen people who are at high risk for having giardiasis. Results A test that detects …
Medical tests
… Information Test Overview The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection … made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had … to 12 weeks after you are first infected. They stay in your blood and protect you from hepatitis A permanently. Why It …