Spurious hypoxemia due to hyperleukocytosis. Report of one case Hipoxemia espuria por hiperleucocitosis. Reporte de un caso y revisión de la literatura
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2012Metadata
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Florenzano, Pablo
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Spurious hypoxemia due to hyperleukocytosis. Report of one case Hipoxemia espuria por hiperleucocitosis. Reporte de un caso y revisión de la literatura
Abstract
Arterial gasometry is considered the gold standard for establishing a diagnosis of respiratory failure of any etiology. However, there are some circumstances in which it loses specifi city, making necessary to consider other tests such as pulse oximetry to adequately determine hypoxemia. We report a 67 years old patient with sudden hypoacusia, right hemiparesis and polypnea. His laboratory exams on admission, showed extreme hypoxemia in several readings, without correlation to the patient's clinical condition nor the pulse oximetry, and a leukocytosis of 800.000 cells x ml, with many immature cells. Chronic myeloid leukemia was diagnosed and treatment with hydroxyurea was initiated, achieving normalization in the arterial gases in accordance with the fall of the white cell count. Interpretation of laboratory fi ndings according to the general clinical context of the patient allowed to suspect a spurious hypoxemia, saving the patient from unnecessary and risky interventions.
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URI: https://repositorio.uchile.cl/handle/2250/165628
DOI: 10.4067/S0034-98872012000400012
ISSN: 00349887
07176163
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Revista Medica de Chile, Volumen 140, Issue 4, 2018, Pages 503-506
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