An Unusual Cause of Low Oxygen Saturation in the Operating Room

Author(s): Joseph Varon, Pilar Acosta, Ross Reul.

Journal Name: Current Respiratory Medicine Reviews

Volume 2 , Issue 3 , 2006

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Abstract:

Pulse oximetry is commonly used in clinical practice as an indirect monitor of blood oxygen saturation. There are many factors, however, that can interfere with accurate readings. We present a case of a woman with metastatic thyroid cancer that had a sudden drop in her pulse oximetry during bronchoscopy and that eventually was found to have an uncommon cause for a misleading persistently low oxygen saturation.

Keywords: Hypoxemia, methemoglobin, acidosis, methylene blue, methemoglobinemia

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Article Details

VOLUME: 2
ISSUE: 3
Year: 2006
Page: [321 - 323]
Pages: 3
DOI: 10.2174/157339806778018917
Price: $58

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