281 results found
Medical tests
… weak. You may have long-term (chronic) muscle aches and pains. If you don't get enough vitamin D throughout life, … test. Why It Is Done You may need this test if you: Have low levels of calcium or phosphate . Have osteoporosis or low bone density . Had a broken bone after a fall from …
Medical tests
… procedure may be done to help with shortness of breath and pain caused by the fluid buildup. Or you may have it done so … relax. The procedure will take about 15 minutes. You can go back to work or your normal activities as soon as you feel … need to take off all or most of your clothes (you may be allowed to keep on your underwear if it does not interfere …
Medical tests
… Find the cause of urinary tract infections that keep coming back. Find the cause of ongoing back or flank pain. How To Prepare You may need to stop eating and … done in children to see if they may have an abnormal backflow of urine ( vesicoureteral reflux ). Prepare your child …
Medical tests
… uterus and the fallopian tubes are connected, the dye will flow into the fallopian tubes. Pictures are taken using a … object in the uterus. These types of problems may cause painful menstrual periods or repeated miscarriages . See if … You will need to empty your bladder. You will lie on your back on an examination table with your feet and legs …
Medical tests
… A series of X-ray pictures is usually taken from the front, back, top, and sides of your head. Hold your head completely … screen (digitally). How It Feels You won't feel any pain from the X-ray itself. You may find that the positions … of damage to cells or tissue from radiation, including the low levels of radiation used for this test. But the chance …
Medical tests
… aldosterone level will be high while a renin level will be low. Usually a renin activity test is done when the … adrenal glands. Find the cause of high blood pressure or low potassium levels. This is done when overactive adrenal … sample. How It Feels This test usually doesn't cause any pain or discomfort. Risks There are no known risks from …
Medical tests
… But this is rare. It may also be done if both of the following are true: There is a low sperm count or no sperm in … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get … about an hour before the test. You will lie on your back on an examination table. The skin over your testicle is …
Medical tests
… chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, injected, or absorbed through the skin or a … you might feel a quick sting or pinch. Urine test It is not painful to collect a urine sample. Another person may watch … present in the body, not the exact level or quantity. Follow-up quantitative testing is often done to find the level …
Medical tests
… at the site. Some people's blood glucose levels drop very low toward the end of the test. But some people feel like their sugar levels are low, when their levels actually are not low. Symptoms of low blood glucose include weakness, hunger, …
Medical tests
… into water and carbon dioxide. When the oxygen level is low, carbohydrate breaks down for energy and makes lactic … as heart failure , a severe infection (sepsis), or shock —lower the flow of blood and oxygen throughout the body. … cool and clammy skin, sweet-smelling breath, belly pain, nausea or vomiting, confusion, and coma. See whether …
