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논문 기본 정보

자료유형
학술저널
저자정보
Joo-Eun Song (Hoseo University) Min-Ju Song (Hoseo University) Ye-Sul Kim (Hoseo University) Ha-Nuel Yang (Hoseo University) Ye-Jin Lee (Hoseo University) Dongju Jung (Hoseo University)
저널정보
대한의생명과학회 대한의생명과학회지 대한의생명과학회지 제24권 제1호
발행연도
2018.3
수록면
43 - 49 (7page)

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Electrocardiogram (ECG) is a widely used method to diagnose electrical activity of heart. Although it is a reliable and easy method, ECG could be interfered by electrical signals. One of the interfering signals is electromyogram (EMG) that is caused by muscle contraction in any parts of the body except heart. To avoid the EMG noise, an examinee is advised to be relaxed on supine position while measuring ECG. Sometimes, patients who can"t put their arms and legs down on bed due to some reasons such as cast on arms or legs necessarily have the EMG noise. But detailed information about how much of the noise could be induced by positional change of arms and legs has not been reported. Here we examined the noise by analyzing ECG data from 14 candidates, 7 males and 7 females. The ECG data was obtained using the standard 12 lead ECG. EMG noise was induced by raising arms and legs at 90°, 60° or 30°. Because arms are located close to the heart, noise by the raised arms was analyzed toward left or right arm separately. All of the examinees showed similar pattern of the EMG noise. EMG noise by positional change of left or right arm was clearly monitored in different limb leads. Change of leg positions induced the noise that was monitored in aVF of augmented leads and II and III of limb leads. There was a difference in degree of the noise between male and female examinees. In addition to the EMG noise, decrease of PR interval was monitored in particular positional changes, which was prominent in male examinees. These results will enlarge fundamental understanding about EMG noise in ECG.

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UCI(KEPA) : I410-ECN-0101-2018-510-001903431