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本文对60例健康成人及60例心脏病患者(冠心病等)进行了24小时动态心电图(DCG)观察:(1)正常成人24小时室上性早搏(SVE)阳性率为63.3％,范围0—296次,中位数2;室性早搏(VE)阳性率为36.6％,范围0—27次,中位数4。(2)冠心病:SVE阳性率69.8％,范围0—2041次,中位数4.5;VE阳性率83.7％,范围0—7449次,中位数11.5。(3)心脏疾病组24小时DCG与常规心电图比较,SVE及VE的阳性检出数前者比后者分别高5.7及3.7倍。(4)DCG检出心源性症状(心悸、晕厥等)由明显心律失常引起者达73％,常规心电图仅25％。
In this paper, 60 healthy adults and 60 patients with heart disease (coronary heart disease, etc.) were observed 24 hours dynamic electrocardiogram (DCG): (1) normal adult 24 hours, the positive rate of supraventricular premature beats (SVE) was 63.3% -296 times, median 2; the positive rate of ventricular premature beats (VE) was 36.6%, range 0-27 times, the median 4. (2) Coronary heart disease: The positive rate of SVE was 69.8%, ranging from 0 to 2041, with a median of 4.5; the positive rate of VE was 83.7%, ranging from 0 to 7449 with a median of 11.5. (3) Compared with the conventional electrocardiogram, the positive detection rate of SVE and VE in the DCG at 24 hours in the heart disease group was 5.7 and 3.7 times higher than the latter. (4) DCG detected cardiogenic symptoms (palpitations, syncope, etc.) caused by a significant arrhythmia up to 73%, conventional electrocardiogram only 25%.