目的：应用肺静脉血流图结合二尖瓣血流图评价糖尿病心脏病变引起的左室舒张功能变化，旨在探讨更敏感的检测方法。
Objective:To seek for a new Echo Doppler method which can more sensitively detect changes of left ventricular diastolic function in NIDDM.
应用脉冲式多普勒超声心动图检测40例正常儿童肺静脉血流频谱。
Pulsed Deppler echocardiography was used to detect the pulmonary venous flow pattern (PVFP) in 40normal children.
应用经食管超声心动图测量肺静脉血流频谱曲线收缩早期逆向R波峰值流速（PVR）和收缩期S波峰值流速（PVS） ，分析PVR和PVS与其前心电图R R间期的关系。
The peak velocities of the early systolic reversal wave (PVR) and the systolic forward wave (PVS) were measured. The relationships between the preceding R-R intervals and PVR, PVS were analyzed.
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