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Medical tests
… Thoracentesis On this page: Test Overview Why It Is Done How To Prepare How It Is … pleural space. But too much fluid can build up because of problems such as infection, heart failure, and lung cancer. The procedure may be done to …
Medical tests
… Lactic Acid Test On this page: Test Overview Why It Is Done How To Prepare How It Is … higher when strenuous exercise or other conditions—such as heart failure , a severe infection (sepsis), or shock —lower … Severe loss of water from the blood ( dehydration ). Blood problems, such as severe anemia or leukemia . Liver disease …
Medical tests
… Overnight Dexamethasone Suppression Test On this page: Test Overview Why It Is Done How To Prepare How It Is … or an antacid. This can help prevent an upset stomach or heartburn. The next morning (usually at 8:00 a.m.), you will … levels may be caused by: Cushing's syndrome. Other health problems. Examples include heart attack or heart failure, …
Medical tests
… Laparoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is … fibroids , and infection. Laparoscopy may be done after early infertility tests do not show the cause for the … health products you take. Some may increase the risk of problems during your surgery. Your doctor will tell you if …
Medical tests
… D-Xylose Absorption Test On this page: Test Overview Why It Is Done How To Prepare How It Is … a blood or urine sample. This test is done to help diagnose problems that prevent the small intestine from absorbing … 12 hours before having this test. Children younger than 9 years old should not eat or drink anything except water for 4 …
Medical tests
… Paracentesis On this page: Test Overview Why It Is Done How To Prepare How It Is … to make sure that you don't have any bleeding or clotting problems. How It Is Done This procedure may be done in your … WBC count and a high count of WBCs called polymorphonuclear leukocytes (PMNs) may mean there is an infection inside …
Medical tests
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … and non-pregnant women also make prolactin but it is not clear what it does in the body for these people. Prolactin … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Pituitary …
Medical tests
… Pap Test On this page: Test Overview Why It Is Done How To Prepare How It Is … by your doctor. The sample is then spread on a slide (Pap smear) or mixed in a liquid fixative (liquid-based cytology) … you avoid sex for 24 hours before a Pap test. If you've had problems with pelvic examinations in the past or have any …
Medical tests
… Aldosterone in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … time. That's because aldosterone levels are highest in the early morning. How It Is Done A health professional uses a … glands ( Conn's syndrome ). Kidney disease. Liver disease. Heart failure. Dehydration. A condition during pregnancy that …
Medical tests
… Barium Enema On this page: Test Overview Why It Is Done How To Prepare How It Is … The test is used to help find diseases and other problems that affect the large intestine. The colon is … X-rays. This causes the barium-filled colon to show up clearly on the X-ray picture. There are two types of barium …