Table of Contents

HK J Paediatr (New Series)
Vol 22. No. 1, 2017

HK J Paediatr (New Series) 2017;22:43-45

Case Report

An Uncommon Cause of Low Oxygen Saturation in a Chinese Girl

YH Law, MK Tay, DCY Lau


Digital pulse oximetry is a useful non-invasive tool to monitor oxygen saturation. However, it has its own limitation and cannot reflect the true arterial oxygen saturation in case of unstable haemoglobin. We report a Chinese girl having unstable haemoglobin presenting with incidental finding of low oxygen saturation measured by pulse oximetry, its value in identifying affected family members and the importance of recognising unstable haemoglobin in patient with asymptomatic low oxygen saturation.

Keyword : Hb Schlierbach; High oxygen affinity; Unstable haemoglobin

Abstract in Chinese


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