Objective To explore assessment and distingnishable value on left ventriculardiastole function of hypertension and CHD in pulse wave DTI(DTI-PW).
目的探讨组织多普勒成像脉冲频谱技术（DTI-PW）评价高血压病、冠心病左室舒张功能。
2
Objective To discuss the feasibility of tissue Doppler image technique in evaluating fetal left ventriculardiastole function, and to confirm its reliability by comparing with traditional methods.
目的探讨组织多普勒技术评价胎儿左心舒张功能的可行性及可靠性。
3
Regurgitant murmurs are generally early diastolic whereas ventricular filling murmurs occur in mid and late diastole .