291 results found
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
… 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 …
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
… called a catheter that is inserted into the heart through blood vessels. A cardiac catheterization can check blood flow in the coronary arteries. It also checks the … ). This test can include a coronary angiogram, which checks blood flow in the coronary arteries . An angiogram can show …
Medical tests
… On this page: Overview Overview During pregnancy, a uterine infection causes inflammation , which … . Learn how we develop our content . … Overview During pregnancy, a uterine infection causes inflammation , which …
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 …
Medical tests
… Monitor heart function during surgery. Look for masses or blood clots in the upper left chamber (left atrium) of the … a replacement heart valve works. Measure the speed at which blood travels through the heart. Measure the blood pressure and speed of blood flow through the heart …
