Kidney Stone Test

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Several exams must be done to come up with an accurate kidney stone diagnosis. Some signs and symptoms of these stones can mimic other conditions, which is why it is necessary for the doctor to conduct series of tests for confirmation. The doctor must first have your medical history and perform physical examination. The doctor will inspect several areas in your abdomen as well as your back to locate the pain.

Laboratory tests are now ordered to see if other tests are needed to be done. Urinalysis is performed to look for signs of urinary tract infection, as well as to test for presence of blood. Blood tests are also done to test the function of your kidney such as creatine and BUN. Electrolytes are also checked to see if you have problems with certain electrolytes that may precipitate formation of stones, as well as to test for your hydration status.

Other tests done for kidney stone diagnosis are imaging studies. Spiral computerized tomography is a high-speed CT-scan that produces two-dimensional images of your organs with the use of x-ray beams. This test can help
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CT-urogram is a test that use an iodine-based dye injected directly into a vein. Once the dye is circulated, CT scan pictures of the kidneys, bladder, and ureters are taken. The dye is helps by locating areas where drainage is blocked or compromised due to the presence of a stone. Intravenous pyelography also involves the use of a contrast dye that is injected into a vein. This imaging study is useful in locating kidney stones and to assess the degree of blockage. Remember to inform your doctor of any allergy to iodine, seafood, or any medications if he tells you that you are about to be given a dye directly to your vein. The dye can produce and allergic reaction, and even anaphylactic shock. Always bear in mind to give a full medical and health history to help the doctor with kidney stone
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