305 results found
Medical tests
… test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. The tracer … scan is done to: Study the brain's blood flow and metabolic activity. A PET scan can help a doctor find nervous system … It is very important to lie still while each scan is being done. At some medical centres, a CT scan will be done …
Medical tests
… needs this B vitamin to make blood cells and to maintain a healthy nervous system . Vitamin B12 is found in animal … present. In rare cases, low levels may mean a person is not getting enough vitamin B12 in his or her food. Low levels … Tell your doctor all of the medicines that you take. Being pregnant or breastfeeding. Taking large doses of …
Medical tests
… colonic transit time. Bowel transit time depends on what types of food you eat and how much you drink. For example, … Or you may swallow multiple capsules full of markers on three days in a row. In this case, you will have X-ray tests … Or you may swallow multiple capsules full of markers on three days in a row. In this case, you will have X-ray tests …
Medical tests
… You will have more blood tests over 1 to 3 hours. Since activity can affect test results, you will be asked to sit … Symptoms of low blood glucose include weakness, hunger, sweating, and feeling nervous or restless. If you develop … disease ). Problems with the thyroid gland or an underactive pituitary gland . A tumour or other problems of the …
Medical tests
… nerves, and blood vessels. There are several different types of blood glucose tests. Fasting blood sugar (FBS) … the day. Random testing is useful because glucose levels in healthy people do not vary widely throughout the day. Blood … test measures blood sugar exactly 2 hours after you start eating a meal. This test is most often done at home when you …
Medical tests
… back or flank pain. How To Prepare You may need to stop eating and drinking for 8 to 12 hours before the IVP. You … a serious allergic reaction (anaphylaxis), such as after being stung by a bee or from eating shellfish. This test is … and other health problems. But in most cases, the risk of getting cancer from being exposed to small amounts of …
Medical tests
… prostate , which is part of the male reproductive system. Healthy people have low amounts of PSA in the blood. The … cancer . An injury, a digital rectal examination, or sexual activity (ejaculation) may also briefly raise PSA levels. … if cancer is present. Watch prostate cancer during active surveillance or other treatment. If PSA levels …
Medical tests
… with TB. It also cannot tell if the infection is latent (inactive) or if you have active TB that can be passed to others. Why It Is Done A … tuberculin skin test doesn't mean you have contagious (active) TB. The test can't tell whether you have active or …
Medical tests
… around them. It may be done if you are having a hard time getting pregnant (infertility). During the test, a dye ( … , adhesions , or a foreign object in the uterus. These types of problems may cause painful menstrual periods or … is always a small chance of damage to cells or tissue from being exposed to any radiation. This can include the low …
Medical tests
… a low body temperature (hypothermia). Comparing temperature types You can take a temperature using the mouth (oral), … a low body temperature (hypothermia). Comparing temperature types You can take a temperature using the mouth (oral), …
