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海洛因滥用对各器官系统均有不同程度的损害。本文观察了１５５例海洛因依赖者的心电图改变，其中１３例进行了无创性心功能检查，发现心电图异常率高达７６．１３％，其中ＳＴ段改变１０７例（６９％），窦性心律不齐５２例（３３５％），窦性心动过缓并不齐２０例（１２９％），心电轴右偏１７例（１０９％），其它还有窦性心动过速或过缓，不完全性右束支传导阻滞等；１３例心功能改变的结果与健康者１４例比较（两组年龄无明显差异，Ｐ＞０．１０），ＳＶ、ＣＩ、ＥＴ等三项指标有显著或极显著性的差异（Ｐ＜０．０１，或Ｐ＜０．０５，０．００１）。揭示了海洛因滥用对心脏有确实的损害。
Heroin abuse has varying degrees of damage to various organ systems. In this paper, ECG changes of 155 heroin addicts were observed. Among them, 13 cases had noninvasive cardiac function tests, and the abnormal rate of electrocardiogram was 76.13%. Among them, 107 cases (69%) had ST segment changes, sinus arrhythmia Cases (33 5%), sinus bradycardia in 20 cases (12 9%), right axial deviation in 17 cases (10 9%), there are other sinus tachycardia or too slow , Incomplete right bundle branch block, etc .; 13 cases of cardiac function changes in the results of 14 cases compared with healthy (no significant difference between the two groups, P> 0.10), SV, CI, ET and other three indicators Significant or very significant differences (P <0.01, or P <0.05, 0.001). Revealed that heroin abuse did have a real damage to the heart.