329 results found
Medical tests
… defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can … and blood type of the fetus. This is a blood test for the mother. The test can be done as early as 10 weeks in the pregnancy. If this screening test is positive, it means …
Medical tests
… and looked at under a microscope for cancer, infection, or other thyroid problems. The thyroid gland is found in front … into the thyroid gland. Many thyroid specialists like to use a needle biopsy method rather than surgery. Core needle … the thyroid gland . Lumps in the thyroid gland may be found during a physical examination or seen on a thyroid …
Medical tests
… fluid, or CSF ) that surrounds the brain and spinal cord. During a spinal tap, a needle is carefully inserted into the … for colour, blood cell counts, protein, glucose, and other substances. Some of the sample may be put into a … procedure. Why It Is Done A spinal tap is done to: Find a cause for symptoms possibly caused by an infection (such as …
Medical tests
… airway through a thin viewing device called a bronchoscope. During a bronchoscopy , your doctor will examine your … are two types of bronchoscopy. Flexible bronchoscopy. It uses a long, thin, lighted tube to look at your airway. The … or a long-term (chronic) cough. Take tissue samples when other tests, such as a chest X-ray or CT scan , show …
Medical tests
… or too low can be serious. Abnormal potassium levels may cause symptoms such as muscle cramps or weakness, nausea, … irritability, paralysis, and changes in heart rhythm. Other electrolytes, such as sodium, calcium, chloride, … potassium levels include severe burns, cystic fibrosis , alcohol use disorder , Cushing's syndrome , dehydration, …
Medical tests
… anemia . Mild folate deficiency often does not cause any symptoms. Severe folate deficiency may cause a sore … certain birth defects. How To Prepare Do not eat or drink (other than water) for 8 to 10 hours before the test. If you … people who can't eat very much food, such as people with alcohol use disorder , certain cancers, or an eating …
Medical tests
… under a microscope. Several different methods may be used to obtain a skin sample, depending on the size and … looks under the microscope. If you take aspirin or some other blood thinner, ask your doctor if you should stop … the place where the biopsy will be taken is cleaned with an alcohol wipe. A marker may be used to outline the edges of …
Medical tests
… as the prostate enlarges with age. PSA may increase because of inflammation of the prostate ( prostatitis ) or … PSA level is higher than expected, your doctor may suggest other tests, including a prostate biopsy. This is because … to determine if cancer is present. Watch prostate cancer during active surveillance or other treatment. If PSA levels …
Medical tests
… will be given medicine to make you sleepy and comfortable during the test. The doctor puts a small, flexible tube into … procedure is planned, along with the risks, benefits, and other options. Tell your doctor ALL the medicines and … be monitored throughout the procedure. Also, a small device used to measure the amount of oxygen in your blood ( pulse …
Medical tests
… Information Test Overview Coronary calcium scans use a special X-ray test called computed tomography (CT) to … Your doctor may want you to have a coronary calcium scan if other test results are not clear about whether you should … of your clothes. If so, you will be given a gown to use during the test. For some CT scans, you may be able to wear …
