271 results found
Medical tests
… embolism . This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually done … use during the test. During the scan, you might lie on your back with the scanning camera over or under your chest. Or … a brief sting or pinch. Otherwise, a lung scan is usually painless. You may find it hard to stay still. Ask for a …
Medical tests
… BUN-to-creatinine ratio. Kidney disease or blocked urine flow from your kidney causes both BUN and creatinine levels … or pinch. Urine test This test usually doesn't cause any pain or discomfort. Risks Risks of a blood test There is … caused by a life-threatening infection, shock , cancer, or low blood flow to the kidneys. Dehydration . Muscle injury …
Medical tests
… spine X-ray. It takes pictures of the 5 bones of the lower back (lumbar vertebrae) and a view of the 5 fused bones at … Done A spinal X-ray is done to: Find the cause of ongoing pain, numbness, or weakness. Check for arthritis of the …
Medical tests
… to the rest of the body. They also carry carbon dioxide back to the lungs so it can be exhaled. If the RBC count is low (anemia), the body may not be getting the oxygen it … count is normal, the MPV can still be too high or too low. Why It Is Done A CBC may be done as part of a regular …
Medical tests
… may be one of the first tests done to find a cause of belly pain, swelling, nausea, or vomiting. And other tests (such … or ongoing nausea and vomiting. Find a cause of pain in the lower back on either side of the spine (flank pain). An abdominal …
Medical tests
… is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of … sample. How It Feels This test usually doesn't cause any pain or discomfort. Risks There are no known risks from … ( hyperparathyroidism ). Too much vitamin D in the body. Low values Low urine phosphate levels may be caused by: An …
Medical tests
… Done The HIDA scan may be done to: Help find the cause of pain in the upper belly, especially if the pain is on the … anything but water for 4 to 6 hours before the test. Follow all instructions carefully. How It Is Done You will need … amount of the tracer is then injected. You will lie on your back on a table. A large scanning camera will be placed just …
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
… by the intestines, and its level in blood and urine is low. Why It Is Done A test for D-xylose is done to: Check to … other foreign matter in the urine sample. You will not be allowed to eat until the test is completed. How It Feels … might feel a quick sting or pinch. Urine test There is no pain while collecting a 5-hour urine sample. Risks Blood …
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 …
