结论持续低流量吸氧可显著降低慢性充血性心衰患者的心率，改善心衰临床症状。
Conclusion Persistent low flow oxygen therapy can significantly reduce the heart rate and improve the clinical symptoms of senile chronic congestive heart failure.
结论持续低流量吸氧可显著降低慢性充血性心衰患者的心率，改善心衰临床症状。
Conclusion Persistent low flow oxygen therapy can significantly reduce the heart rate and improve the clinical symptoms of senile chronic congestive heart failure.
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