脉搏血氧仪
医学
无症状的
氧饱和度
动脉血
动脉血气分析
血红蛋白
神秘的
放射科
心脏病学
内科学
氧气
麻醉
病理
有机化学
化学
替代医学
作者
Norris Igbineweka,Gillian A. Horne,Matthew J. Jackson,Timothy Chevassut
出处
期刊:Acute medicine
日期:2015-04-01
卷期号:14 (2): 72-76
摘要
An asymptomatic 81-year-old woman was referred by her general practitioner regarding a pulse-oximetry oxygen saturation (SpO2) of 74%. An arterial blood gas analysis (ABG) on air showed PaO2 12.9 kPa, oxygen saturation 80%, with normal pH, PaCO2, methaemoglobin and carboxyhaemoglobin levels. After a normal chest x-ray, tinzaparin was administered empirically for possible occult pulmonary embolus. This diagnosis was subsequently excluded with an unremarkable computed tomography pulmonary angiogram (CTPA). She was further investigated as an out patient. DNA globin-gene analysis identified a variant haemoglobin revealed to be haemoglobin Saint Mande (HbSM). Following reassurance regarding the benign nature of her condition, she has remained well.
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