329 results found
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A renin … in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … the cause of high blood pressure (hypertension), especially when potassium levels in the blood are low. How To Prepare …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Tests for … show signs of infection. Bacterial vaginosis can happen when certain types of bacteria that are normally in the … cells called clue cells . If clue cells are found, it means you may have bacterial vaginosis. Whiff test. A sample of …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An alanine … Low levels of ALT are normally found in the blood. But when the liver is damaged or diseased, it releases ALT into … a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An iron test … such as transferrin or ferritin, or stored in body tissues. When red blood cells die, their iron is released and carried … Check for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview The uric … 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. … period. You start collecting your urine in the morning. When you first get up, empty your bladder. But do not save …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview … (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel stressed, these hormones increase heart rate, …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A brain … (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well … 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
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A sodium … by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an …
Medical tests
… Why It Is Done How to Prepare How It Is Done How It Feels Risks Results Test Overview A transesophageal echocardiogram is a test to help your doctor look at the inside of your heart. A small device … procedure Follow your doctor's instructions exactly about when to stop eating and drinking before the test. This may …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important … chloride) you eat. Chloride is absorbed by your intestines when you digest food. Extra chloride leaves your body in …
