266 results found
Medical tests
… Sodium (Na) in Blood Test On this page: Test Overview Why It Is Done How To … Overview A sodium test checks how much sodium is in the blood. Sodium is both an electrolyte and mineral. It helps … Most of the sodium in the body (about 85%) is found in blood and lymph fluid. Sodium levels in the body are partly …
Medical tests
… Fetal Blood Sampling (FBS) During Pregnancy On this page: Overview … (FBS) is the collecting of fetal blood directly from the umbilical cord or fetus. The fetal blood is tested for signs of anemia …
Medical tests
… Thick and Thin Blood Smears for Malaria On this page: Overview Why It Is Done Results Overview Thick and Thin Blood Smears for Malaria—Overview Doctors use thick and thin blood smears to determine whether you have malaria. If one …
Medical tests
… Arterial Blood Gases (ABG) Test On this page: Test Overview Why It Is … Risks Results Test Overview An arterial blood gases (ABG) test measures the acidity ( pH ) and the levels of oxygen and carbon dioxide in the blood from an artery. This test is used to find out how well …
Medical tests
… Seizure Medicine Levels in Blood Test On this page: Test Overview Why It Is Done How To … Risks Results Test Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are …
Medical tests
… Blood Urea Nitrogen (BUN) Test On this page: Test Overview … It Feels Risks Results Test Overview A blood urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made …
Medical tests
… Technetium-Labelled Red Blood Cell Bleeding Scan On this page: Test Overview Related … Information Test Overview In a technetium-labelled red blood cell bleeding scan, blood is taken from you, and a small amount of radioactive …
Medical tests
… ultrasound test uses reflected sound waves to see how blood flows through a blood vessel. It helps doctors assess … Check the health of a fetus. It may check blood flow in the umbilical cord, through the placenta , or in the heart and brain of …
Medical tests
… or a scan. They may be saved as part of your baby's record. Fetal ultrasound can be done two ways. In a … the back of the baby's neck. This screening also includes blood tests that measure the levels of two substances that … and amniotic fluid. Check the position of the fetus, umbilical cord , and placenta during a procedure such as …
Medical tests
… amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and … test is usually done on blood taken from a vein or from the umbilical cord right after birth. Why It Is Done A test to measure …
