Study on ECG in the Adolescent

Lue, Hung-Chi; Wu, Mei‐Hwan; Wang, Jou‐Kou; Lin, Min; Lu, Chun‐Wei; Chiu, Shuenn–Nan; Wu, En‐Ting; Chen, Shyh-Jye; Fu, Chun-Min; Tseng, Wei‐Chieh; Chang, Wei-Hsuan; Lee, Meng-Chang

doi:10.1007/s00246-018-1841-8

Cited by 15 publications

(20 citation statements)

References 21 publications

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“…Lue et 1327 al. [22] detected right branch block prevalence as 0.32% in their study with 432166 cases in the age range of 6-20. Pelliccia et al [30] found right branch block prevalence as 1% in their study with 32652 adolescents and young people.…”

Section: Adolescence and Gendermentioning

confidence: 83%

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Assesment of Normal ECG Percentiles and Cardiac Rhythm Problems through 12-Lead ECG Screening in School-Age Children

YILMAZ¹,

ELKIRAN²,

nce³

et al. 2022

Ann Med Res

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Introduction: Electrocardiography (ECG) is an important non-invasive examination used for the diagnosis of cardiovascular diseases and rhythm problems for nearly hundred years. Many studies showed the important effect of age and gender on electrocardiographic tracings and studies were made to form ECG data normal for age groups. The number of studies on this subject is quite low in children. The aim of this study was to evaluate the standard percentile values of ECG measurement and the prevalence of cardiac rhythm disorders in school children aged 6-18 in our region. Material and Method: 2154 students who were randomly selected from eight elementary, secondary and high schools in Malatya city center were included in the study and informed consent form was taken from their families. Using MAC 2000 (GE Healthcare, Milwaukee, USA) device capable of taking digital ECG record, ECG records with standard 12 derivations were taken for all participating children. ECG records of all children were examined by the same pediatric cardiologists. Using 24 hour Holter ECG and echocardiography, advanced evaluation was performed for the children with problems detected in ECG records. Results: Pathology was detected in the ECG of 110 out of a total of 2154 children whose ECG records were examined. Average age of 2044 children without detected conduction and rhythm disorder was 11.4±2.8 and 56.8% (n=1149) were female. In addition to the heart rate, PR, QT and QTc interval and QRS time, R/S ratio was also checked manually in V1, V2 and V6 precordial derivations together with QTc, P, QRS and T axis for the children participating in the study. These eleven parameters were compared to the other studies in literature. Mean QTc interval was detected below 440 milliseconds in all age groups (6-9, 9-13, 13-18). Mean heart rate per minute was found higher in all age groups in our study compared to other studies. Thus mean QTc interval was found lower than the other studies although QT distance was similar. Conclusion: Data of this study is important for the detection of normal ECG percentiles and the prevalence of rhythm problems in children and would guide other future studies on this subject.

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Section: Adolescence and Gendermentioning

confidence: 83%

“…Mean P axis was found 49°in our study. Mean P axis was detected as 42°by Rijnbeek et al [10] 42°by Lue et al [22], 47°by Semizel et al [2] and 47°by Uygur et al…”

Section: P Axismentioning

confidence: 97%

Assesment of Normal ECG Percentiles and Cardiac Rhythm Problems through 12-Lead ECG Screening in School-Age Children

YILMAZ¹,

ELKIRAN²,

nce³

et al. 2022

Ann Med Res

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“…After conducting a thorough review of the literature, we identified five studies to judge on whether our reference values were consistent with those already published or conversely they raised new questions. However, although very relevant, two were not retained in our analysis as the age groups considered were different from ours (6-9, 9-13 and 13-18 years for the first and 0-9 to 90-99 years for the second) 4,15 16 . For these two studies, median values and 2 and 98 percentile values are available.…”

Section: Ecg Parameters Comparisonmentioning

confidence: 88%

“…As part of comprehensive cardiac assessment, an electrocardiogram (ECG) and a cardiac ultrasound were obtained on the subjects. Currently, no harmonized reference values for ECG and echocardiographic parameters in children are available 4,5 . Having these reference values thus appears crucial to ensure the relevant medical care of young patients 6,7 .…”

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confidence: 99%

Reference values of electrographic and cardiac ultrasound parameters in Russian healthy children and adolescents

Landon

Denjoy

Cléro

et al. 2021

Sci Rep

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Between 2009 and 2013, a large cross-sectional study on the health consequences of the Chernobyl nuclear accident was performed in the contaminated and uncontaminated territories of the Bryansk Oblast (Russian Federation). The objective of this work was to confirm or refute a possible association between childhood cardiac arrhythmia and a chronic exposure to caesium-137. As part of this study, a large number of electrocardiographic and cardiac ultrasound parameters were collected from 18,152 children aged 2–18 years including 12,512 healthy ones not contaminated with caesium-137. It seemed therefore relevant for us to share in a second publication these medical data based on healthy and uncontaminated children with the scientific community because of the large quantities and the limited availability of such kind of data. In the present study, relating to electrocardiographic parameters, the measurements performed fully reflect the expected evolution of the paediatric electrocardiogram between 5 and 18 years of age. Thus, the median values were generally quite close to those available in the literature. In contrast, differences in the 2nd and 98th percentiles were notable and could be explained in particular by the type of equipment used, the number of subjects included in the study and racial disparities. As for echocardiographic parameters, the evolution of the measured values in age groups is consistent with what was expected considering factors such as growth. In comparison with other scientific studies that have investigated these echocardiographic parameters, some differences by age groups have been identified. The ethnic factor truly appears to be a relevant feature to consider. In view of the results, it appeared essential to the authors to approach the methodological conditions of the scientific studies already published on the topic to be truly comparable and thus to provide a reliable answer on a topic for which real expectations in terms of medical care are required.

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“…Therefore, in our study, the electrodes were placed under the breast tissue but the amplitudes were still higher in boys in the Q, R and S wave-amplitudes. Also, Lue et al (28) stated that ECG sex difference began to appear at the earliest at ages 6–9 years, and it occurred mostly at ages 9–13 years and 13–18 years, reflecting the anatomic and physiologic consequences of puberty (28). Therefore, other factors may contribute to this difference besides breast tissue.…”

Section: Discussionmentioning

confidence: 99%

Normal Electrocardiogram Values of Healthy Turkish Children

Uygur

Aydoğdu

2019

Turk Pediatri Ars

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Aim: Electrocardiography is an important diagnostic tool in the evaluation of cardiac diseases. Normal electrocardiograms are age-dependent and may also vary due to several factors. Many studies have been performed to establish the normal values for the childhood period. The aim of this study was to determine the normal electrocardiograms values for healthy Turkish children in Aydın. Material and Methods: All children underwent physical examination by a pediatrician and the electrocardiograms were analyzed by the same pediatrician. In the event of improper or insufficient data, the analyses were repeated. Children with a suspicious electrocardiograms or physical examination were recalled and examined by same pediatric cardiologist in outpatient clinic. Results: In this study, electrocardiogram records were collected randomly from 1163 children with a sampling rate of 500 Hz. Of the children, 562 were female (47.4%) and 601 were male (52.6%). The total population was divided into ten age groups. Significant differences in normal limits were determined compared with previously published studies. Conclusion: The observed differences in various electrocardiograms parameters could be related to biologic variability and to some technical details such as precordial electrode placement and visual checking of the records in addition to race.

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Study on ECG in the Adolescent

Cited by 15 publications

References 21 publications

Assesment of Normal ECG Percentiles and Cardiac Rhythm Problems through 12-Lead ECG Screening in School-Age Children

Assesment of Normal ECG Percentiles and Cardiac Rhythm Problems through 12-Lead ECG Screening in School-Age Children

Reference values of electrographic and cardiac ultrasound parameters in Russian healthy children and adolescents

Normal Electrocardiogram Values of Healthy Turkish Children

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