329 results found
Medical tests
… Test Overview Allergy testing involves having a skin or blood test to find out what substance, or allergen , may … make in response to certain allergens. IgE levels are often higher in people who have allergies or asthma. Other lab … body, trouble breathing, nausea, vomiting, and low blood pressure that can lead to shock . An anaphylactic reaction …
Medical tests
… A CA-125 test measures the amount of this protein in the blood. CA-125 is used as a tumour marker , which means the … may do a CA-125 test to find out where the cancer started. High levels of CA-125 are a strong sign that the cancer … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… (AST) test measures the amount of this enzyme in the blood. AST is normally found in red blood cells , liver , … severe damage, AST levels rise in 6 to 10 hours and remain high for about 4 days. The AST test may be done at the same … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Overview A folate test measures the amount of folate in the blood. Folate is one of many B vitamins. The body needs … usually affected by the amount of folate and folic acid in your diet each day. Folate deficiency can result in a type … B12 deficiency is working. See if the folate level is high enough to prevent certain birth defects. How To Prepare …
Medical tests
… lungs put oxygen into and remove carbon dioxide from your blood. Types of lung function tests include: Spirometry. Gas … small airtight room. You breathe through a mouthpiece while pressure and air flow measurements are collected. Residual … results are reported as a lung clearance index (LCI). A high LCI value means that the lungs aren't working well. Why …
Medical tests
… Test Overview A cold agglutinins blood test is done to check for conditions that cause the … , can cause the level of cold agglutinins to rise. Higher-than-normal levels of cold agglutinins generally do … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. … levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is … there's nothing you have to do before this test, unless your doctor tells you to. Your doctor may want you to do a …
Medical tests
… test that uses dye and a camera to take pictures of the blood flow in an artery or a vein. An angiogram can be used … Or it may be done to look for blocked blood vessels in your lungs. During an angiogram, the doctor will put a thin, … the test The catheter is taken out after the angiogram, and pressure is put on the needle site for 10 to 15 minutes to …
Medical tests
… women, pelvic ultrasound may be done to: Find the cause of blood in the urine (hematuria). An ultrasound of the kidneys … to take pictures from different angles. You may feel some pressure. Water may be put into your rectum to clean the end … stripe (also called endometrial hyperplasia ) may mean a higher chance of endometrial cancer . Problems from pelvic …
Medical tests
… measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for … -like growth factor 1 (IGF-1). When the GH level is very high, the IGF-1 level is also very high. A test for IGF-1 … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood levels of …
