329 results found
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Thyroid … gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx). … If you are taking thyroid medicines, tell your doctor when you took your last dose. You may need to stop taking …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An albumin … is normally found in the blood and filtered by the kidneys. When the kidneys are working as they should, there may be a … At a random time. This is usually after the first time you urinate in the morning. Over a 24-hour period. Over a …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview … cells of the brain and damage them. Tay-Sachs can occur when parents pass on a changed gene to their child. If the … amniocentesis or chorionic villus sampling. How To Prepare You do not need to do anything before having this test. If …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An ammonia … of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the intestines . … sample is taken from a vein When a blood sample is taken, you may feel nothing at all from the needle. Or you might …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A lactic … Most of it is made by muscle tissue and red blood cells . When the oxygen level in the body is normal, carbohydrate … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A magnesium … of life-threatening heart rhythm problems. Measure levels when magnesium is being given for medical treatment. How To … a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to … 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
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A carbon … detect carbon monoxide poisoning . Poisoning can happen if you breathe air that contains too much carbon monoxide (CO). … This gas has no colour, odour, or taste, so you can't tell when you are breathing it. The test measures the amount of …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Cystometry … to see how well the bladder is working. Cystometry is done when a muscle or nerve problem may be causing problems with … wall send a message to the spinal cord and brain that you need to urinate. In response, your spinal cord sends a …
