327 results found
Medical tests
… Test Overview Hepatitis B tests are blood tests that show whether you have an active hepatitis B … You or your doctor wants to know if you are protected from getting the disease. The tests also are done to help your … 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
… Overview A complement test uses a blood sample to detect a group of proteins that help the body attack foreign substances. When there are a lot of foreign substances in the body, such … a low level of complement means the body is trying to get rid of the foreign substances. If the body is attacking …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . This is because insulin and C-peptide are linked when first made by the pancreas. Insulin helps the body use and control the amount of sugar (glucose) …
Medical tests
… each possible biopsy result. Your doctor may order certain blood tests, such as a complete blood count or clotting … your procedure. Follow the instructions exactly about when to stop eating and drinking. If you don't, your … and pain medicine will make it unsafe for you to drive or get home on your own. Understand exactly what procedure is …
Medical tests
… is most often used to find a pulmonary embolism . This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually done together. They are: Ventilation scan. You inhale a radioactive … the test, drink lots of fluids for the next 24 hours to help flush the tracer out of your body. Radioactive tracer …
Medical tests
… an orchiectomy. A testicular biopsy may also be done to get sperm for in vitro fertilization for intracytoplasmic … How To Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … 15 to 20 minutes. How It Feels You will feel a brief sting when the IV line is put in or when the local anesthetic is …
Medical tests
… A vitamin D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium … bones and muscles healthy and strong. If your muscles don't get enough calcium, they can cramp, hurt, or feel weak. You … 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
… the optic nerve . If you have glaucoma, gonioscopy can help your eye doctor see which type of glaucoma you have. … lens at the drainage angle. Laser treatment can decrease pressure in the eye and help control glaucoma. Check for … angle can be blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment …
Medical tests
… test measures the level of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … gastrin rise, the stomach releases acid (gastric acid) that helps break down and digest food. When enough gastric acid …
Medical tests
… A dye is injected into your arm. It flows through your blood to the blood vessels in your eye. The dye makes the … caused by certain conditions. Why It Is Done These tests help doctors find and treat eye problems. Doctors can see if a disease is getting worse or if treatment is working. You may need …
