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为了探讨心绞痛发作时左室舒张功能的变化,本文采用脉冲多普勒超声心动图测定二尖瓣前向血流,观察高血压病和心绞痛患者各20例食道调搏前后的左室舒张功能,结果显示,在心率增至90次/分时,心绞痛组均诱发心绞痛,而高血压病组无心绞痛发作,且心绞痛组的左室舒张功能受损的程度明显大于高血压病组,从而提示:在心率相同的条件下,心绞痛发作时左室舒张功能受损的程度大于高血压病,而脉冲多普勒超声心动图可以较好地反映左室舒张功能的程度。
In order to investigate the changes of left ventricular diastolic function during the onset of angina pectoris, we measured the anterior mitral flow by pulsed Doppler echocardiography and observed the left ventricular diastolic function in 20 patients with hypertension and angina pectoris before and after pacing, The results showed that in the heart rate increased to 90 beats / min, angina pectoris induced angina pectoris, and no hypertension angina pectoris attack, and angina pectoris group left ventricular diastolic dysfunction was significantly greater than the degree of hypertension, suggesting that: Under the same heart rate, left ventricular diastolic function is more severe than angina pectoris in angina pectoris, while pulsed Doppler echocardiography can better reflect the degree of left ventricular diastolic function.