329 results found
Medical tests
… substance (such as glucose) that collects in cells that are using a lot of energy, such as cancer cells. During the … . Brain: Areas of increased glucose metabolism or lower oxygen use and blood flow may mean you have epilepsy . Decreased oxygen use and blood flow may mean a stroke has occurred. …
Medical tests
… or more weeks pregnant. During a contraction, the blood and oxygen supply to your baby drops for a short time. This is … stay healthy during labour, when contractions reduce the oxygen levels. Check to see if the placenta is healthy and … can't find every type of problem, such as a birth defect. Using oxytocin also has risks. It may cause labour to start …
Medical tests
… loss of consciousness or dementia . Help find what is causing a change in consciousness . Find out if a person who … An EEG is not the same as electroshock (electroconvulsive) therapy. If you have a seizure disorder such as epilepsy, … brain function has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a …
Medical tests
… stay in a recovery room for several hours before you go home. You may want to bring something to do or read to pass … if needed. A device called a pulse oximeter, which measures oxygen levels in your blood, may be clipped to your finger … if needed. A device called a pulse oximeter, which measures oxygen levels in your blood, may be clipped to your finger …
Medical tests
… to destroy (ablate) small areas of your heart that are causing the problem. Why It Is Done An electrophysiology study … or nail polish. Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for … a pulse oximeter may be clipped to your finger. It measures oxygen levels in your blood and monitors your pulse. An …
Medical tests
… stomach or esophagus. Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for … Also, a small device used to measure the amount of oxygen in your blood ( pulse oximeter ) may be attached to … Also, a small device used to measure the amount of oxygen in your blood ( pulse oximeter ) may be attached to …
Medical tests
… stay in a recovery room for several hours before you go home. Arrange to have someone take you home, because you may … if needed. A device called a pulse oximeter, which measures oxygen levels in your blood, may be clipped to your finger … if needed. A device called a pulse oximeter, which measures oxygen levels in your blood, may be clipped to your finger …
Medical tests
… feel very short of breath. But you will be given plenty of oxygen through the mask. If you have a perfusion scan, you … feel very short of breath. But you will be given plenty of oxygen through the mask. If you have a perfusion scan, you …
Medical tests
… go or happen during certain activities. Find out what is causing chest pain or pressure, dizziness, or fainting. These … may mean that the heart muscle is not getting enough oxygen. This is called ischemia. It may happen if the … may mean that the heart muscle is not getting enough oxygen. This is called ischemia. It may happen if the …
Medical tests
… with a special stethoscope. More often, it is done using two flat devices (sensors). They are held in place … placenta to make sure that it is giving your baby enough oxygen. Check your baby's health if your baby has not been … placenta to make sure that it is giving your baby enough oxygen. Check your baby's health if your baby has not been …