Severe hypoxemia caused by right-to-left shunt through the PFO in acute inferior right ventricular myocardial infarction: one case report
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摘要: 本例急性下壁心肌梗死患者，合并右心室梗死，住院期间出现严重低氧血症，右心声学造影证实，经原先沉默的卵圆孔未闭出现右向左分流，经保守治疗获得逆转。国内尚未见文献报道。虽然临床罕见，仍应引起重视，以实现早期诊断、合理治疗及改善预后。
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关键词:
- 急性下壁右室心肌梗死 /
- 卵圆孔未闭 /
- 右向左分流 /
- 低氧血症
Abstract: A patient with acute inferior myocardial infarction complicated with right ventricular infarction developed severe hypoxemia during hospitalization. Right heart contrast confirmed that right-to-left shunt occurred through the previously silent patent foramen ovale, which was reversed by conservative treatment. There is no literature report in China. Although it is a rare occurrence in clinical practice, it should still be taken seriously in order to achieve early diagnosis, rational treatment, and improved prognosis. -
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表 1 不同时间点血气分析结果
Table 1. Blood gas analysis results at different time points
血气分析时间 PO2/mmHg PCO2/mmHg pH 乳酸/(mmol/L) 氧饱和度/% 吸氧浓度/% 3 h后 43 34 7.41 3.0 82.4 60 24 h后 45 33 7.43 1.2 82.1 45 48 h后 56 33 7.44 1.1 92.8 59 
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