329 results found
Medical tests
… be high while a renin level will be low. Usually a renin activity test is done when the aldosterone level is … or low blood potassium levels. This is done when overactive adrenal glands or an abnormal adrenal growth are … positions and under different conditions, such as not eating before the test or eating foods that contain a …
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
… you to decide to make lifestyle changes that help you stay healthy. A test about ancestry can also help you learn more … their options for genetic testing and their risks of getting a disease or of having a child with the disease. … decisions such as: Having children. Preventing or treating a disease or health problem. Changing your lifestyle …
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
… in 10 to 15 minutes. Why It Is Done It may be done so your doctor can find out right away whether you have strep … strep bacteria are present. Antibiotic treatment can be started. A positive test result does not distinguish those people with an active strep infection from those who are carriers of strep …
Medical tests
… other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. … How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill … before you eat or drink anything. In some cases, three or more morning samples may be needed. (This is often done if …
Medical tests
… of lactic acidosis include rapid breathing, excessive sweating, cool and clammy skin, sweet-smelling breath, belly … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid … body's cells. Extremely strenuous exercise or extreme overheating. Poisoning by alcohol (ethanol), wood alcohol …
Medical tests
… only a very low level) is generally found in the blood of healthy men or healthy, non-pregnant women. The level of AFP … Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is positive, it means that your baby is more likely to have that birth defect and your doctor may …
Medical tests
… other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. Depending on what your stool is being tested for, you may only need to collect one stool … it. Tell your doctor if you think you may have trouble getting the sample to the lab on time. Samples from babies …
Medical tests
… and fatty substances used as a source of energy by your body. Lipids are found in your blood and are stored in … and triglyceride testing is done: As part of a routine physical examination to screen for high cholesterol and high … Your age, sex, and race. Whether or not you smoke. Learn more When to Have a Cholesterol Test How To Prepare Your …
