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7223例份24h DCG检出的3987例份室早中,呈R on T现象者58例。老年性R on T(23例)与对照组(35例)比较,在多发于器质性心脏病、频发于白天及活动状态、发作时室早QRS多宽大畸形,以及多合并有其它室上性心律失常上,两组并无统计学差异(P>0.05)。两组在DCG上伴随缺血性ST-T改变、持续性室速、传导阻滞、以及普通ECG上QT延长、室/房肥大、异位节律比率上亦无显著差别(P>0.05)。较之对照组,老年性R on T的特征为:男性更多(87%:60%,P<0.05),无痛性发作尤频(95.7%∶65.75%,P<0.01),DGC:室早多呈多源性(78.3%∶45.7%,P<0.05),普通ECG呈缺血性ST-T改变者多(56.2%∶17.1%,P<0.01),电轴显著左偏者多(50%∶20%,P<0.05)。
Among the 7,273 cases with 3987 cases of 24 h DCG detected in early morning, 58 cases showed R on T phenomenon. Senile R on T (23 cases) compared with the control group (35 cases), multiple organic heart disease, frequent in daytime and activity, early episodes of ventricular multiple large QRS deformity, and more combined with other room On the arrhythmia, there was no significant difference between the two groups (P> 0.05). There was no significant difference in DCG with ischemic ST-T changes, persistent ventricular tachycardia, conduction block, QT prolongation on general ECG, ventricular hypertrophy and ectopic rhythm rate (P> 0.05). Compared with the control group, senile R on T was characterized by more males (87% vs 60%, P <0.05), painless seizures (95.7% vs 65.75%, P <0.01), DGC (78.3%, 45.7%, P <0.05). The ECG showed ischemic changes of ST-T mostly (56.2%, 17.1%, P <0.01) 50%: 20%, P <0.05).