329 results found
Medical tests
… antibody syndrome or lupus anticoagulant syndrome develop when the immune system makes antibodies that attack blood … done for this purpose, an APTT may be done every few hours. When the correct dose of medicine is found, you will not … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… release of urine ( urinary incontinence ) that may occur when you cough, sneeze, laugh, or exercise. A Bonney test is … through the urethra . A slight burning sensation may occur when the catheter is inserted. If your bladder is already … stress test may be done as part of a physical examination when: You have involuntary release of urine when you sneeze, …
Medical tests
… is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, … is working. Why It Is Done Doctors use the d-dimer test when a person might have a dangerous blood-clotting problem. … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first … the amount of the virus is too low for the test to detect. When the virus is undetectable, you cannot pass HIV to other … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… levels of both renin and aldosterone are normally present when the body is trying to conserve fluid and salt (sodium). When a tumour that makes aldosterone is present, your … level will be low. Usually a renin activity test is done when the aldosterone level is measured. Why It Is Done An …
Medical tests
… insulin . This is because insulin and C-peptide are linked when first made by the pancreas. Insulin helps the body use … blood sugar level in the body. A C-peptide test can be done when it is not clear whether type 1 diabetes or type 2 … insulinoma will have a high level of C-peptide in the blood when they have a high level of insulin. Why It Is Done A …
Medical tests
… It Feels Risks Results Test Overview When your doctor checks your pelvic organs, it's called a … in your pelvic area. You will also need to tell your doctor when your last period was. Be sure to tell your doctor if … How It Feels You may feel some pressure or mild discomfort when the speculum is placed into your vagina. If a metal …
Medical tests
… by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or … electrolyte imbalances. Urine sodium levels are often high when blood levels are low. The urine sodium level is often …
Medical tests
… The test is usually done in the morning, because that is when the amount of DHEA-S is at its highest. Women may be … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… is called a transfusion reaction, and it occurs immediately when incompatible blood is transfused. A transfusion … even more important for pregnant women. A problem can occur when a woman who has Rh-negative blood becomes pregnant with … response is called Rh sensitization and, depending on when it occurs, can destroy the baby's red blood cells. Rh …