327 results found
Medical tests
… Home Blood Pressure Test On this page: Test Overview Health Tools Why … through your body. Your blood pressure is recorded as two numbers. The first number shows how hard the blood pushes when the heart is pumping. This is the systolic pressure . …
Medical tests
… Blood Culture On this page: Test Overview Why It Is Done How … , or heart valves. A blood infection may also develop when the immune system is weak. This can occur in infants … so the blood infection is treated correctly. This also helps prevent bacteria from becoming resistant to …
Medical tests
… Aldosterone in Blood Test On this page: Test Overview Why It Is Done How To … and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in the … levels of both renin and aldosterone are normally present when the body is trying to conserve fluid and salt (sodium). …
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To … assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an enzyme made by special … the cause of high blood pressure (hypertension), especially when potassium levels in the blood are low. How To Prepare …
Medical tests
… Catecholamines in Blood Test On this page: Test Overview Why It Is Done How To … test. Catecholamines increase heart rate, blood pressure, breathing rate, muscle strength, and mental … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… Potassium (K) in Blood Test On this page: Test Overview Why It Is Done How To … work. Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go down, and when … diarrhea, frequent urination, dehydration , low blood pressure, confusion, irritability, paralysis, and changes in …
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is … It Feels Risks Results Test Overview A blood alcohol test measures the amount of alcohol (ethanol) … breath. Alcohol has a noticeable effect on the body, even when consumed in small amounts. In large amounts, alcohol …
Medical tests
… Phosphate in Blood Test On this page: Test Overview Why It Is Done How To … the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin D level, … usually from the arm. Heel stick A heel stick is used to get a blood sample from a baby. The baby's heel is poked, …
Medical tests
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To … sleep and shortly after you wake up. Prolactin levels also get higher during times of physical or emotional stress. … a hard time becoming pregnant ( infertile ). In a man when a pituitary gland problem is suspected. Also, a …
Medical tests
… Prealbumin Blood Test On this page: Test Overview Why It Is Done How To … body uses energy and other substances through the blood. When prealbumin levels are lower than normal, it may be a … for signs of a poor diet (malnutrition). Find out if you're getting enough nutrients, mainly protein, in your diet. …