Methods:Fifty CPHD patients were monitored in persistent oxygen uptake and non-oxygen uptake for 24 hours by MV5 and MV1 bipolar leading of MIKE 8500 tape-recorder.

• 方法 :对 5 0例肺心病患者应用美国麦克 85 0 0 T系统磁带式记录仪 ,MV5和 MV1双极导联连续同步监测 2 4小时 ,并分别在 2 4小时持续低流量吸氧及非吸氧下监测。