方法对39例PR间期延长(研究组)和141例PR间期正常(对照组)患儿房室传导功能进行了经食道心房调搏研究。
Methods The transesophageal pacing was performed in 39 children with prolonged pr interval (study group) and 141 children with normal pr interval (control group).
方法对39例PR间期延长(研究组)和141例PR间期正常(对照组)患儿房室传导功能进行了经食道心房调搏研究。
Methods The transesophageal pacing was performed in 39 children with prolonged pr interval (study group) and 141 children with normal pr interval (control group).
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