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通过同步描记心电图、心音图、肺阻抗血流图测定右室收缩时间间期,观察17例早期肺心病患者和10例慢性肺气肿患者安静时和运动负荷(踏车运动:负荷功率50瓦、时间3分钟)后右心收缩时间问期(RSTI)各参
The systolic time of right ventricle was measured by synchronous tracing of electrocardiogram, phonocardiogram and pulmonary impedance blood flow diagram. The resting time and exercise load of 17 patients with early pulmonary heart disease and 10 patients with chronic emphysema were observed (treadmill exercise: 50 W load power , 3 minutes time) after the right ventricular systolic time (RSTI) each parameter