329 results found
Medical tests
… Overview A chest X-ray is a picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes . … of the chest and another from the side. In an emergency when only one X-ray picture is taken, a front view is … airway, or the lungs. A chest X-ray may not be able to see food, nuts, or wood fibres. See if a tube, catheter, or …
Medical tests
… thyroxine. This hormone controls how fast the body converts food into energy ( metabolism ). Parathyroid hormone (PTH) … by ultrasound. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… ultrasound may be used to guide decisions during pregnancy when: The fetus is smaller than normal for the gestational … stroke. How To Prepare Depending on what the test is for, you may be asked not to eat or drink after midnight before … blood pressure to be taken at several different places. When the legs are tested, a blood pressure cuff may be …
Medical tests
… pictures of structures inside of the body. During the test, you will lie on a table that is attached to the CT scanner, … scan of your belly, you may be asked to not eat any solid foods starting the night before your scan. For a CT scan of … or dye is used, you may feel a quick sting or pinch when the IV is started. The dye may make you feel warm and …
Medical tests
… Test Overview A contraction stress test checks to see if your baby will stay healthy during contractions when you are in labour. This test includes external fetal … of speeding up (accelerating). This means your baby may have problems with the stress of normal labour. A …
Medical tests
… Feels Test Overview A non-stress test is a test that checks your baby's heartbeat patterns. It can show heart rate changes when the baby moves. It also shows changes when you have contractions, if you're having them. A fetal heart rate …
Medical tests
… (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins in their blood. But … can cause blood to clump in blood vessels under the skin when the skin is exposed to the cold. This causes pale skin … blood test. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection now or had it in the past. The … 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
… of cells from the surface of the cervix is collected by your doctor. The sample is then spread on a slide (Pap … increase your risk. Talk to your doctor about how often to have this test. Cervical cancer is often caused by a … of the cervix . Finding these changes and treating them when needed will greatly lower your chance of getting …
Medical tests
… 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 … Don't lift or carry objects for about 24 hours after you have had blood taken from an artery. Results Results are …
