329 results found
Medical tests
… A bilirubin test measures the amount of bilirubin in a blood sample. Bilirubin is a brownish yellow substance found … direct bilirubin measurements. When bilirubin levels are high, the skin and whites of the eyes may look yellow … gauze pad or cotton ball is placed over the puncture site. Pressure is maintained on the puncture site briefly. Then a …
Medical tests
… sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in the … stimulates the adrenal glands to release aldosterone. High levels of both renin and aldosterone are normally …
Medical tests
… Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when … or abdominal pain. These symptoms often happen with high blood sugar and may mean you have diabetic ketoacidosis … may form at the site. To lower the chance of bruising, keep pressure on the site for several minutes. Blood test at home …
Medical tests
… When you feel stressed, these hormones increase heart rate, blood pressure, breathing rate, muscle strength, and mental … glands to release too many hormones. And that can cause high blood pressure, excessive sweating, headaches, fast …
Medical tests
… (hCG) test is done to check for the hormone hCG in blood or urine. Some hCG tests measure the exact amount. … that are important to many health problems. Pregnancy: Should I Have Screening Tests for Birth Defects? Why It Is … that isn't in the normal range may still be normal for you. High values If you are pregnant, very high levels of hCG can …
Medical tests
… strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the … that isn't in the normal range may still be normal for you. High values High glucose levels may be caused by: Diabetes. … diuretics , and some medicines used to treat high blood pressure, HIV, or AIDS. Large amounts of the hormone …
Medical tests
… the amount of luteinizing hormone (LH) in a sample of blood or urine. LH is produced by the pituitary gland . LH … why sexual features or organs are not developing when they should (delayed puberty). Find out (usually with a urine … with you in relation to your symptoms and past health. High values High luteinizing hormone values may mean: …
Medical tests
… Test Overview A reticulocyte count is a blood test that measures how fast red blood cells called … prematurely, such as hemolytic anemia . Also, being at high altitudes may cause reticulocyte counts to rise, to … ball over the needle site as the needle is removed. Put pressure on the site and then put on a bandage. How It Feels …
Medical tests
… measures the amount of the amino acid homocysteine in the blood. Why It Is Done A homocysteine blood test is done to: … ball over the needle site as the needle is removed. Put pressure on the site and then put on a bandage. How It Feels … with you in relation to your symptoms and past health. High values High values of homocysteine may be caused by: …
Medical tests
… ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, … (therapeutic) range, or Above the therapeutic range, or High enough that they may be toxic. High values High levels … or that your body is not processing the medicine as it should. Low values Low levels of prescription or …
