Cystitis laboratory findings: Difference between revisions
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==Overview== | ==Overview== | ||
==Laboratory Findings== | ==Laboratory Findings== | ||
===Urinalysis=== | |||
* A [[urinalysis]] commonly reveals white blood cells (WBCs) or red blood cells (RBCs). | * A [[urinalysis]] commonly reveals white blood cells (WBCs) or red blood cells (RBCs). | ||
*[[Pyuria]]: >5-10 WBC/hpf or 27 WBC/microlitre | |||
*Dipstick: | |||
**[[Nitrate reductase test]]: The nitrate reductase test is a test to differentiate between [[bacteria]] based on their ability or inability to reduce [[nitrate]] (NO<sub>3</sub>) to[[nitrite]] (NO<sub>2</sub>) using [[anaerobic respiration]]. | |||
** [[Leukocyte esterase]]: Leukocyte esterase (LE) is a urine test for the presence of [[white blood cell]]s and other abnormalities associated with [[infection]]. | |||
===Urine Culture=== | |||
* A [[urine culture]] (clean catch) or catheterized urine specimen may be performed to determine the type of bacteria in the urine and the appropriate antibiotic for treatment. | * A [[urine culture]] (clean catch) or catheterized urine specimen may be performed to determine the type of bacteria in the urine and the appropriate antibiotic for treatment. | ||
* Most patients with [[Urinary tract infection]] will have > 100,000 colonies of organism. | |||
==References== | ==References== |
Revision as of 15:06, 28 November 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Laboratory Findings
Urinalysis
- A urinalysis commonly reveals white blood cells (WBCs) or red blood cells (RBCs).
- Pyuria: >5-10 WBC/hpf or 27 WBC/microlitre
- Dipstick:
- Nitrate reductase test: The nitrate reductase test is a test to differentiate between bacteria based on their ability or inability to reduce nitrate (NO3) tonitrite (NO2) using anaerobic respiration.
- Leukocyte esterase: Leukocyte esterase (LE) is a urine test for the presence of white blood cells and other abnormalities associated with infection.
Urine Culture
- A urine culture (clean catch) or catheterized urine specimen may be performed to determine the type of bacteria in the urine and the appropriate antibiotic for treatment.
- Most patients with Urinary tract infection will have > 100,000 colonies of organism.