Before Mr Larsson received his implantable device, patients had received pacing from huge external devices.
在拉森之前的很多病人通过巨大的外部设备调节心律。
Objective To explore influence of external and internal cardioversion on pacing threshold of permanent pacemaker.
目的探讨体外及心内心脏电击转复对永久起搏器起搏阈值的影响。
Objective To explore influence of external and internal cardioversion on pacing threshold of permanent pacemaker.
目的探讨体外及心内心脏电击转复对永久起搏器起搏阈值的影响。
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