J Korean Acad Fam Med Search


Journal of the Korean Academy of Family Medicine 1989;10(2):1-7.
Published online February 1, 1989.
상용으로 행한 심전도의 유용성에 관한 연구
김자영 김은미 이혜리
연세대학교의과대학 가정의학교실
To evaluate the usefulness of the admission ECG, we studied 626 patients admitted to department of internal medicine.
We attempted to determine the frequency of added information by ECG, the nature and benefit of that information, and what kinds of clinical characteristics could be used to predict the yield of the admission ECG.
The results are as follows.
1) There were 300(47.9%) men and 326(52.1%) women with male to female ratio of 1:1.1.
2) In non-screening group, the number of normal ECG was 20(16.5%) and that of abnormal ECG was 101(83.5%).
3) In screening group, the number of normal ECG was 254(50.3%) and that of abnormal ECG was 251(49.7%).
4) In the 27 findings of 352 abnormal ECGs, the results are as follows: sinus tachycardia 91(18.5%), sinus bradycardia 57(11.6%), LVH 47(9.6%), non specific ST-Tchange 44(9.0%), LAD 31(6.3%), low voltage 26(5.3%), and above 16 ECG findings outnumber 91% of total performed cases.
5) 91(14.5%) admission ECGs Among 626 cases added information; 60(9.5%) influenced to patient's treatment directly, 10(1.6%) need to follow up or other studies and 21(3.4%) had normal ECG finding in clinically suspicious cardiac abnormality.
6) Increased age and cases with a clinically suspicious cardiac abnormality yielded added information.
7) Among patients with suspicious cardiac abnormality, ECG yield was 62.8%.
8) Among patients without suspicious cardiac abnormality, ECG yield was 3.0%
9) So careful selection is necessary in order to promote cost effective medical performance.
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