Urinalysis

Posted by e-Medical PPT Thursday, October 21, 2010
Urinalysis is an array of tests performed on urine and one of the most common methods of medical diagnosis.
Urine specific gravity - This test detects ion concentration of the urine. Small amounts of protein or ketoacidosis tend to elevate results of the specific gravity.The specific gravity of your urine is measured by using a urinometer.If the specific gravity of your urine is under 1.007, you are hydrated. If your urine is above 1.010, you are dehydrated.
Glucose can be measured with Benedict's Test.
The numbers and types of cells and/or material such as urinary casts can yield a great detail of information and may suggest a specific diagnosis.
    * Hematuria - associated with kidney stones, infections, tumors and other conditions
    * Pyuria - associated with urinary infections
    * eosinophiluria - associated with allergic interstitial nephritis, atheroembolic disease
    * Red blood cell casts - associated with glomerulonephritis, vasculitis, malignant hypertension
    * White blood cell casts - associated with acute interstitial nephritis, exudative glomerulonephritis, severe pyelonephritis
    * granular casts - associated with acute tubular necrosis
    * crystalluria -- associated with acute urate nephropathy

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