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Unformatted text preview: Learning Issue: Kidney stones (Nephrolithiasis) Name: Jacey Grant Definition Caliculi in the kidneys Ureterolithiasis is related when the stone passes into the ureter which tend to have more symptoms Etiology Elevated levels of calcium, oxalate, and uric acid Reduced urinary citrate levels Hypercalciuria Magnesium and citrate are important inhibitors Low fluid intake Pathophys Crystals or foreign bodies can act as nidi, upon which ions from the supersaturated urine form microscopic crystalline structures. Most contain calcium The majority of the rest are from uric acid and crystals from uric acid Epidemiology 10% of US population Likelihood that a white male will develop stone disease by age 70 is 1 in 8 Symptoms May report pain, infection, or hematuria With kidneys, only occasionally cause symptoms and if present, are usually moderate and easily controlled Passage of stones into the ureter is associated w/ classic renal colic...
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- Fall '10