329 results found
Medical tests
… doctor can also see other structures in the eye. The doctor uses a magnifying tool called an ophthalmoscope and a light … are two types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor uses a tool that is about the size of a small … could be caused by diseases such as high blood pressure or diabetes . Cataracts are found. Dilated …
Medical tests
… kidneys are working, the blood pH , the amount of potassium you eat, the hormone levels in your body, severe vomiting, and taking certain medicines, … or too low can be serious. Abnormal potassium levels may cause symptoms such as muscle cramps or weakness, nausea, …
Medical tests
… blood tests that measure lipids—fats and fatty substances used as a source of energy by your body. Lipids are found in your blood and are stored in … These include: Your blood pressure. Whether or not you have diabetes. Your age, sex, and race. Whether or not you smoke. …
Medical tests
… gastrointestinal (or GI) endoscopy is a test that allows your doctor to look at the inside of your esophagus, stomach, and the first part of your small … is the tube that carries food to your stomach. The doctor uses a thin, lighted tube that bends. It is called an …
Medical tests
… carbon dioxide in the blood from an artery. This test is used to find out how well your lungs are able to move oxygen into the blood and remove … who have heart failure , kidney failure , uncontrolled diabetes , sleep disorders, or severe infections or who have …
Medical tests
… usually measured at the same time as a folic acid test, because a lack of either one or both can lead to a form of … water) for 10 to 12 hours before the test. How It Is Done Your health professional drawing blood will: Wrap an elastic … In rare cases, high levels may be found in people with diabetes or who are obese . Low values Low levels of vitamin …
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's also called natural family … 5 days before you ovulate. For fertility awareness to be used as birth control, either you must not have sex or you …
Medical tests
… labour, and delivery. It keeps track of the heart rate of your baby ( fetus ). It also shows how long each contraction … held in place with elastic belts on your belly. One sensor uses reflected sound waves (ultrasound) to keep track of … growing normally. Monitoring may also be done if you have diabetes or high blood pressure or if you are more than 41 …
Medical tests
… a test that measures and records the electrical activity of your brain. Special sensors called electrodes are attached to your head. They're hooked by wires to a computer. The … see what type of seizures are occurring. EEG is the most useful and important test for checking if someone has …
Medical tests
… Overview An angiogram of the lung is an X-ray test that uses a special dye and camera ( fluoroscopy ) to take … Do not eat or drink for 4 to 8 hours before the angiogram. You may be asked to not take aspirin, aspirin products, or … is a special concern for people who have kidney problems, diabetes, or who are dehydrated . Special measures are used …
