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Leptospirosis, Darkfield Examination, |
| Test | Leptospirosis, Darkfield Examination, |
| Indication | The test is used to determine the presence of Leptospira for the diagnosis of Weil's syndrome, hemorrhagic fever with renal syndrome, atypical pneumonia syndrome, aseptic meningitis, and myocarditis including cardiac arrhythmias. |
| Physiology | Leptospira are present in blood early in course of disease. After 10-14 days, they may be found in the urine. |
| Normal Range | No presence of Leptospira species |
| Interpretation | Dark field microscopy is used to demonstrate leptospires in specimens in which a high concentration of organisms is present. |
| Sample | Urine, serum, cerebrospinal fluid |
| Test Method | Dark field microscopy |
| Related Tests | Leptospira culture, Leptospira serodiagnosis. |
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