304 results found
Medical tests
… . This is a condition caused by atherosclerosis of the lower limbs. Assess blood flow after a stroke or other … may be wrapped first around the calf and then around the thigh. The test may be done at several places on your leg. … Testing may be done before and after exercise, if you are healthy enough. Veins in the arms and legs For this test, …
Medical tests
… stress test checks to see if your baby will stay healthy during contractions when you are in labour. This … are 34 or more weeks pregnant. During a contraction, the blood and oxygen supply to your baby drops for a short time. … for most babies. But the heart rate of some babies gets slower. This change in heart rate can be seen on the external …
Medical tests
… Test Overview A cold agglutinins blood test is done to check for conditions that cause the … cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins … , can cause the level of cold agglutinins to rise. Higher-than-normal levels of cold agglutinins generally do …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular … pressure. But it is often used as a simple way to check for high IOP and is the easiest way to test children. This type … 27 mm Hg usually develop glaucoma unless the pressure is lowered with medicines. People who have an ongoing IOP …
Medical tests
… checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. … levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is … sexual problems. Having a low level of testosterone may lower a man's sex drive or not allow him to have an erection …
Medical tests
… changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large … make less cortisol. Dexamethasone, which is like cortisol, lowers the amount of ACTH released by the pituitary gland. … a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other …
Medical tests
… ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, … (therapeutic) range, or Above the therapeutic range, or High enough that they may be toxic. High values High levels may be caused by a drug overdose, …
Medical tests
… Test Overview A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in … can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … rheumatoid arthritis ) and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … A person with type 2 diabetes can have a normal or high level of C-peptide. A C-peptide test can also help find … How To Prepare Your doctor will give you instructions about eating and drinking before this test. Insulin and some oral …
Medical tests
… measures the amount of prostate-specific antigen in the blood. PSA is released into the blood by the prostate , which is part of the male reproductive system. Healthy people have low amounts of PSA in the blood. The … done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, …