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The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects. / Obata, Yurie; Ruzankin, Pavel; Ong, Qi Jia и др.

в: Journal of Electrocardiology, Том 50, № 5, 01.09.2017, стр. 640-645.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Obata, Y, Ruzankin, P, Ong, QJ, Berkowitz, DE, Berger, RD, Steppan, J & Barodka, V 2017, 'The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects', Journal of Electrocardiology, Том. 50, № 5, стр. 640-645. https://doi.org/10.1016/j.jelectrocard.2017.03.001

APA

Obata, Y., Ruzankin, P., Ong, Q. J., Berkowitz, D. E., Berger, R. D., Steppan, J., & Barodka, V. (2017). The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects. Journal of Electrocardiology, 50(5), 640-645. https://doi.org/10.1016/j.jelectrocard.2017.03.001

Vancouver

Obata Y, Ruzankin P, Ong QJ, Berkowitz DE, Berger RD, Steppan J и др. The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects. Journal of Electrocardiology. 2017 сент. 1;50(5):640-645. doi: 10.1016/j.jelectrocard.2017.03.001

Author

Obata, Yurie ; Ruzankin, Pavel ; Ong, Qi Jia и др. / The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects. в: Journal of Electrocardiology. 2017 ; Том 50, № 5. стр. 640-645.

BibTeX

@article{5d7db20f8118456296d793f26111c890,
title = "The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects",
abstract = "Background Postural changes affect both heart rate and the QT interval. Objective To investigate the effects of postural changes on the depolarization and repolarization phases of the QT interval. Methods A three lead ECG from 12 healthy young volunteers was recorded in the standing, sitting and in the supine positions. For the purpose of this study, we defined the depolarization phase as the QRS complex plus the ST segment and the repolarization phase as the duration of the T wave. Results QTc did not change with changes in position. The ratio of the duration of the depolarization phase to the repolarization phase was higher in the supine position (0.98 ± 0.13) compared to the standing position (0.83 ± 0.17). Conclusions The origin of the T wave moves closer to the QRS complex during standing compared to the supine position. The observed changes are mainly due to shortening of the ST segment during standing compared to supine position.",
keywords = "Depolarization, Electrocardiogram, QT interval, Repolarization, T wave, STIMULATION, HUMANS, EXERCISE, ACTION-POTENTIAL DURATION, DISEASE, RESTITUTION, HEART-RATE, ASSOCIATION, Humans, Middle Aged, Male, Posture/physiology, Healthy Volunteers, Electrocardiography, Adult, Female, Heart Conduction System/physiology",
author = "Yurie Obata and Pavel Ruzankin and Ong, {Qi Jia} and Berkowitz, {Dan E.} and Berger, {Ronald D.} and Jochen Steppan and Viachaslau Barodka",
note = "Copyright {\textcopyright} 2017 Elsevier Inc. All rights reserved.",
year = "2017",
month = sep,
day = "1",
doi = "10.1016/j.jelectrocard.2017.03.001",
language = "English",
volume = "50",
pages = "640--645",
journal = "Journal of Electrocardiology",
issn = "0022-0736",
publisher = "Churchill Livingstone",
number = "5",

}

RIS

TY - JOUR

T1 - The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects

AU - Obata, Yurie

AU - Ruzankin, Pavel

AU - Ong, Qi Jia

AU - Berkowitz, Dan E.

AU - Berger, Ronald D.

AU - Steppan, Jochen

AU - Barodka, Viachaslau

N1 - Copyright © 2017 Elsevier Inc. All rights reserved.

PY - 2017/9/1

Y1 - 2017/9/1

N2 - Background Postural changes affect both heart rate and the QT interval. Objective To investigate the effects of postural changes on the depolarization and repolarization phases of the QT interval. Methods A three lead ECG from 12 healthy young volunteers was recorded in the standing, sitting and in the supine positions. For the purpose of this study, we defined the depolarization phase as the QRS complex plus the ST segment and the repolarization phase as the duration of the T wave. Results QTc did not change with changes in position. The ratio of the duration of the depolarization phase to the repolarization phase was higher in the supine position (0.98 ± 0.13) compared to the standing position (0.83 ± 0.17). Conclusions The origin of the T wave moves closer to the QRS complex during standing compared to the supine position. The observed changes are mainly due to shortening of the ST segment during standing compared to supine position.

AB - Background Postural changes affect both heart rate and the QT interval. Objective To investigate the effects of postural changes on the depolarization and repolarization phases of the QT interval. Methods A three lead ECG from 12 healthy young volunteers was recorded in the standing, sitting and in the supine positions. For the purpose of this study, we defined the depolarization phase as the QRS complex plus the ST segment and the repolarization phase as the duration of the T wave. Results QTc did not change with changes in position. The ratio of the duration of the depolarization phase to the repolarization phase was higher in the supine position (0.98 ± 0.13) compared to the standing position (0.83 ± 0.17). Conclusions The origin of the T wave moves closer to the QRS complex during standing compared to the supine position. The observed changes are mainly due to shortening of the ST segment during standing compared to supine position.

KW - Depolarization

KW - Electrocardiogram

KW - QT interval

KW - Repolarization

KW - T wave

KW - STIMULATION

KW - HUMANS

KW - EXERCISE

KW - ACTION-POTENTIAL DURATION

KW - DISEASE

KW - RESTITUTION

KW - HEART-RATE

KW - ASSOCIATION

KW - Humans

KW - Middle Aged

KW - Male

KW - Posture/physiology

KW - Healthy Volunteers

KW - Electrocardiography

KW - Adult

KW - Female

KW - Heart Conduction System/physiology

UR - http://www.scopus.com/inward/record.url?scp=85015363586&partnerID=8YFLogxK

U2 - 10.1016/j.jelectrocard.2017.03.001

DO - 10.1016/j.jelectrocard.2017.03.001

M3 - Article

C2 - 28330682

AN - SCOPUS:85015363586

VL - 50

SP - 640

EP - 645

JO - Journal of Electrocardiology

JF - Journal of Electrocardiology

SN - 0022-0736

IS - 5

ER -

ID: 9981276