272 results found
Medical tests
… amount of alcohol in the blood reaches its highest level about an hour after drinking. But food in the stomach may … provinces have legal consequences starting at levels as low as 0.05. Legal limits are set lower for drivers who are not fully licensed. Blood alcohol …
Medical tests
… ), heart disease, Cushing's disease , or Conn's syndrome . Low values A low level may be caused by: Hyperventilation . Aspirin or … ), heart disease, Cushing's disease , or Conn's syndrome . Low values A low level may be caused by: Hyperventilation . …
Medical tests
… and the pH (acid content) of the tube. They also can find out how much gas, liquid, and solid move through the … This checks the acid content (pH) in the esophagus. A low pH for long periods may mean that you often have abnormal backflow (reflux) of stomach acid into the esophagus ( …
Medical tests
… is born. Levels of progesterone in a pregnant woman are about 10 times higher than they are in a woman who is not … . Overproduction of hormones by the adrenal glands . Low values Low progesterone values may be caused by: Problems with …
Medical tests
… A gamma camera detects the radioactive material as it flows through the heart and lungs. The percentage of blood pumped out of the heart with each heartbeat is called the ejection … is working. This test has other names, including cardiac flow study, cardiac nuclear scan, first-pass scan, and MUGA …
Medical tests
… of these) has been injected into the joint. This allows your doctor to see the soft tissue structures of your … capsule. These structures are not seen on a plain X-ray without contrast material. A special type of X-ray, called … For instance, have you had a reaction from a bee sting or eating shellfish? Are allergic to any medicines. This …
Medical tests
… and brain damage in the fetus. You can be infected by eating food such as undercooked or raw meat from an infected … measure of how much the blood sample can be diluted with a saltwater solution (saline) before the antibodies can no … is getting higher. This would mean the infection is recent. Low titres that do not get higher usually mean the infection …
Medical tests
… that hCG goes up early in pregnancy can give information about your pregnancy and the health of your baby. Soon after … of the stomach, pancreas , large intestine, liver, or lung. Low values If you are pregnant, a low level of hCG can mean an ectopic pregnancy or a …
Medical tests
… made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave … should, the level of uric acid in the urine can get too low. High levels of uric acid can cause crystals to form in … . During the 24-hour period, don't drink alcohol. It lowers the amount of uric acid eliminated by the kidneys. …
Medical tests
… in a computer and can be saved for more study or printed out as photographs. Why It Is Done Your doctor may want you … cancer from being exposed to small amounts of radiation is low. It is not a reason to avoid these tests for most … arteries of the heart when it is not true. People with a low chance of heart disease are most likely to have a …
