Bernard P, Chaitman B R, Scholl J M, Val P G, Chabot M
J Electrocardiol. 1983 Jan;16(1):97-103. doi: 10.1016/s0022-0736(83)80165-4.
One thousand consecutive ECG's from an ambulatory population of patients with suspected or proven cardiac disease were evaluated using two versions of the Telemed computerized ECG system. Only minor differences were found between the two programs. In version 6 vs. version 5, 87% vs. 90% of 287 normal ECG's were correctly classified and 93% vs. 96% of abnormal ECG's were correctly classified; the percent of acceptable diagnostic agreement was 86.2% and 87.4% respectively (NS). The sensitivity for arrhythmia detection, transmural inferior infarction and ST-T wave abnormalities was slightly greater in version 6. The increased sensitivity was not accompanied by decreased specificity. The sensitivity for left ventricular hypertrophy decreased from 95.2% to 91.4% in version 6 with a slight increase in specificity (95.2% to 97.0%). In conclusion, criteria changes in the most recent version of the Telemed program have not resulted in a major change in diagnostic performance. Arrhythmia detection is slightly but not significantly improved.
使用两个版本的远程医疗计算机心电图系统，对来自疑似或确诊心脏病患者动态人群的1000份连续心电图进行了评估。两个程序之间仅发现了细微差异。在版本6与版本5中，287份正常心电图的正确分类率分别为87%和90%，异常心电图的正确分类率分别为93%和96%；可接受诊断一致性的百分比分别为86.2%和87.4%（无显著性差异）。版本6对心律失常检测、透壁性下壁心肌梗死和ST-T波异常的敏感性略高。敏感性增加并未伴随着特异性降低。版本6中左心室肥厚的敏感性从95.2%降至91.4%，特异性略有增加（从95.2%增至97.0%）。总之，远程医疗程序最新版本中的标准变化并未导致诊断性能的重大改变。心律失常检测略有改善，但不显著。
