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1·The typical sign was audible click and systolic murmur in cardiac apex.

典型体征为心尖区闻及喀喇音和收缩期杂音。

2·The cardiac apex was the best site for MAPrecording, because it was not apt to bleed.

兔心脏的心尖部位不易出血，因而是记录MAP的最适部位。

3·All the samples were examined 48 hours later to observe the effects made on the ultrastructure of the fetal cardiac apex.

采用诊断超声辐射人体宫内胎儿心尖部位， 48 小时经引产后取出胎儿心脏（心尖部位） 组织进行超微结构研究。

4·Thin ventricular wall and low signal of myocardial infarction were shown in MRI. MRI in diagnosis of myocardial infarction located in cardiac apex is better than ECG.

MRI可直观的显示出梗塞部位室壁变薄，信号减低，对心尖部梗塞的诊断优于ecg。

5·Objective:To compare the cardiac function impact by right ventricular septum pacing and right ventricular apex pacing.

目的：对比右室心尖部起搏与右室间隔部起搏对心功能的影响。

6·Results:In basal conditions, the displacement was progressively decreased from cardiac base to apex on each view of long axis.

结果：基础状态下，各长轴切面显示位由心底向心尖逐渐递减。

7·The site of cardiac rupture was more frequenfly located in anterior wall near the apex.

心脏破裂部位以前壁近心尖处多见。

8·The anastomoses of superficial cardiac veins, especially in the apex, left margin and diaphragmatic surface were abundant.

心表浅静脉有广泛的吻合，特别位于心尖、左缘和膈面。

9·Long term effects of right ventricular apex pacing on cardiac function are still required further clinical observation.

两种起搏模式对心功能远期的影响还有待进一步观察研究。