J Korean Acad Fam Med.
1998 Jan;19(1):2-8.
Differences in Electrocardiography Findings Between the Healthy Elderly and Young Adults
- Affiliations
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- 1Department of Family Medicine, College of Medicine, Kyung Hee University, Korea.
- 2Department of Social Medicine and Preventive Medicine, Hallym University, Korea.
Abstract
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BACKGROUND: The elderly is known to have physiologic electrocardiographic changes with aging. But in Korea, such study is rare.
METHODS
We investigated the residents in a community about past history of disease and current medications. Also we checked electrocardiography for those who were thought to be healthy.
RESULTS
The elderly( > OR =60 year old) were 66 persons, and the young adults(<40 year old) were 8 persons. Mean QRS axis in the elderly was 37.7", and it was significantly deviated to the left compared with that(63.8" ) in the young adults(P<0.05). Mean T amplitudude of V6 in the elderly was 3.47mm, and it was to some degree shorter than that(4.81mm) in the young adults(P=0.063). But pulse rate, PR interval, QRS duration, amplitudude of Rl, R6, S1 were not different between the elderly and the young adults.
CONCLUSIONS
Mean QRS axis in the elderly was significantly deviated to the left compared with in the young adults. And the mean T amplitude of V6 in the elderly was to some degree shorter than in the young adults.
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