329 results found
Medical tests
… types of cancer. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … 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
… is made by the adrenal glands. Cortisol levels get higher when the pituitary gland releases adrenocorticotropic … drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern …
Medical tests
… D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium keeps … enough calcium, they can cramp, hurt, or feel weak. You may have long-term (chronic) muscle aches and pains. If you … 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
… A cystoscopy is a procedure that lets a doctor look inside your bladder and urethra. The urethra is the tube that … you are in the hospital, you may get medicine to make you sleep during the procedure. While you are asleep, the doctor … system problems. Examples include blood in the urine, pain when you urinate, incontinence , frequent urinary tract …
Medical tests
… Test Overview Using a home blood pressure monitor lets you keep track of your blood pressure at home. Blood … numbers. The first number shows how hard the blood pushes when the heart is pumping. This is the systolic pressure . … These are also called electronic or digital monitors. They have a microphone to detect blood pulsing in the artery. The …
Medical tests
… are usually done together. They are: Ventilation scan. You inhale a radioactive tracer gas or mist. Pictures from … scans will match. If the scan results don't match, you may have a blood clot in the lung. Ventilation and perfusion … airways in all or parts of the lung. It may be a sign of chronic obstructive pulmonary disease (COPD) or asthma . The …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys … Another substance, creatine (say "KREE-uh-teen"), is formed when food is changed into energy through a process called … the blood depends partly on the amount of muscle tissue you have. Men generally have higher creatinine levels than …
Medical tests
… A kidney biopsy may be done to check for problems or when other tests show a kidney problem. For example, you may get one if a test shows that you have blood or protein in your urine. The biopsy is usually …
Medical tests
… Overview A HIDA scan is an imaging test that checks how your gallbladder is working. The gallbladder is a small sac … belly. Try to relax by breathing slowly and deeply. You may have nausea or belly pain if a substance that stimulates the … infection, or swelling of the pancreas . Pain occurs when the gallbladder empties the tracer. …
Medical tests
… abnormal calcium level. Watch for problems in people who have chronic kidney disease. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
