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Anales de Medicina Interna

versión impresa ISSN 0212-7199

Resumen

ALONSO FORMENTO, E. et al. Diagnosis of the spontaneous subarachnoid hemorrhage with short bleeding or long evolution: report of one case. An. Med. Interna (Madrid) [online]. 2008, vol.25, n.7, pp.353-355. ISSN 0212-7199.

Subarachnoid hemorrhage implies the presence of blood within the subarachnoid space from some pathologic process. The initial study of choice is an urgent Cranial Computed Tomography scan, but its sensitivity declines with time. So that it is recommended that patients with severe sudden headache but normal Cranial Computed Tomography scan, should have a lumbar puncture performed, more than 12 hours after the onset of symptoms, to rule out subarachnoid hemorrhage. The methods for distinguishing among traumatic lumbar puncture and true Subarachnoid hemorrhage include the erythrocyte level, the "three tube test", D-dimer assay and ferritin in cerebrospinal fluid. But the best technique is the xanthochromia o yellow-to-orange cerebrospinal fluid supernatant, measured spectrographically. We report a case of a young woman with a subarachnoid hemorrhage diagnosed by xanthochromia after 18 days after the onset of bleeding.

Palabras clave : Subarachnoid hemorrhage; Humbar puncture; Xanthochromia; Spectrophotometry.

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