327 results found
Medical tests
… Overview A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been … may be causing symptoms like angina (such as chest pain or pressure). It may be done after a heart attack to see if … damaged by a heart attack. A set of pictures will be made when you are at rest and after your heart has been stressed, …
Medical tests
… Test Overview A sickle cell test is a blood test done to check for sickle cell trait or sickle … blood cells. This causes anemia . Also, sickled cells can get trapped in blood vessels and reduce or block blood flow. … blood are collected. How It Feels Blood sample from a vein When a blood sample is taken, you may feel nothing at all …
Medical tests
… the amount of luteinizing hormone (LH) in a sample of blood or urine. LH is produced by the pituitary gland . LH … and follicle-stimulating hormone levels rise and fall together during the monthly cycle. LH also stimulates the … puberty (also called precocious puberty). Puberty is early when it starts in females younger than age 8 and in males …
Medical tests
… who has syphilis during pregnancy. Testing is done on blood, body fluid, or tissue samples. If a first screening … important to many health problems. STI Testing: Should I Get Tested for a Sexually Transmitted Infection? Why It Is … appear. This increases the chance of finding the infection when it can be cured or treated to avoid long-term problems. …
Medical tests
… sphincter . This may cause reflux. Weak muscle contractions when you swallow. This could slow the rate at which food or … this feeling, focus on breathing slowly. Your pulse and blood pressure may be watched while the tube is being inserted. pH …
Medical tests
… is used to: Evaluate and diagnose a joint problem when a physical examination and other tests don't give a … tests may include X-rays , ultrasound, CT scan , MRI , or blood tests. Do surgery to repair a joint problem. It may be … during the procedure. Your heart rate and rhythm, blood pressure, and breathing will be watched closely during the …
Medical tests
… test measures the level of D-xylose, a type of sugar, in a blood or urine sample. This test is done to help diagnose … D-xylose is normally easily absorbed by the intestines . When problems with absorption occur, D-xylose is not … start collecting your urine in the morning. When you first get up, empty your bladder, but do not save this urine. …
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 done … The needle is removed after the tissue sample is taken. Pressure is put on the biopsy site for several minutes to …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an … Why It Is Done A lung angiogram may be done to measure the pressure in the blood vessels carrying blood to the lungs, … to watch the movement of the catheter in the blood vessels. When the catheter is in place, the dye is injected through …
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the … for the procedure Follow the instructions exactly about when to stop eating and drinking. This may be a few hours … pictures of your heart. After the test After the procedure, pressure may be applied to the areas where a catheter was …
