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Statements

Subject Item
n2:RIV%2F00216224%3A14110%2F10%3A00059846%21RIV13-MSM-14110___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
A number of morphological indices have been proposed to characterize electrocardiographic patterns of ventricular repolarization mostly studying spatial and temporal patterns of T waves. Comparisons between different clinical populations exist but data on the suitability of the T-wave descriptors to characterize and quantify physiologic regulations of ventricular repolarization are lacking. To initiate such investigations, a study was conducted comparing the influence of provoked heart rate changes on the duration of QT interval, the roundness of T wave loop expressed by the relative T wave area, and on the 3-dimensional QRS-T angle. A population of 40 healthy subjects (18 women, mean age 30.4 +/- 8.1 years) was studied. In each subject, provocative tests involving changes from strict supine to unsupported sitting and to unsupported standing positions were repeated twice during each of 3 separate monitoring days. Continuous 12-lead electrocardiograms were obtained during the provocative tests. A number of morphological indices have been proposed to characterize electrocardiographic patterns of ventricular repolarization mostly studying spatial and temporal patterns of T waves. Comparisons between different clinical populations exist but data on the suitability of the T-wave descriptors to characterize and quantify physiologic regulations of ventricular repolarization are lacking. To initiate such investigations, a study was conducted comparing the influence of provoked heart rate changes on the duration of QT interval, the roundness of T wave loop expressed by the relative T wave area, and on the 3-dimensional QRS-T angle. A population of 40 healthy subjects (18 women, mean age 30.4 +/- 8.1 years) was studied. In each subject, provocative tests involving changes from strict supine to unsupported sitting and to unsupported standing positions were repeated twice during each of 3 separate monitoring days. Continuous 12-lead electrocardiograms were obtained during the provocative tests.
dcterms:title
Dynamic properties of selected repolarization descriptors Dynamic properties of selected repolarization descriptors
skos:prefLabel
Dynamic properties of selected repolarization descriptors Dynamic properties of selected repolarization descriptors
skos:notation
RIV/00216224:14110/10:00059846!RIV13-MSM-14110___
n3:aktivita
n18:I
n3:aktivity
I
n3:cisloPeriodika
6
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n7:1896040 n7:6373216 n7:4061578
n3:druhVysledku
n17:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
255501
n3:idVysledku
RIV/00216224:14110/10:00059846
n3:jazykVysledku
n5:eng
n3:klicovaSlova
T-WAVE MORPHOLOGY; PREDICTS CARDIAC DEATH; LONG QT SYNDROME; HEART-RATE; ELECTROCARDIOGRAPHIC QT; GENERAL-POPULATION; INTERVALS; ANGLE; VARIABILITY; DISEASE
n3:klicoveSlovo
n8:GENERAL-POPULATION n8:DISEASE n8:PREDICTS%20CARDIAC%20DEATH n8:ELECTROCARDIOGRAPHIC%20QT n8:INTERVALS n8:LONG%20QT%20SYNDROME n8:ANGLE n8:HEART-RATE n8:VARIABILITY n8:T-WAVE%20MORPHOLOGY
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[A2A5C17D94A5]
n3:nazevZdroje
JOURNAL OF ELECTROCARDIOLOGY
n3:obor
n14:FP
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n12:2010
n3:svazekPeriodika
43
n3:tvurceVysledku
Novotný, Tomáš Hnatkova, Katerina Šišáková, Martina Malik, Marek Toman, Ondřej
n3:wos
000284514700018
s:issn
0022-0736
s:numberOfPages
7
n6:doi
10.1016/j.jelectrocard.2010.06.003
n11:organizacniJednotka
14110