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  • 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. (en)
Title
  • Dynamic properties of selected repolarization descriptors
  • Dynamic properties of selected repolarization descriptors (en)
skos:prefLabel
  • Dynamic properties of selected repolarization descriptors
  • Dynamic properties of selected repolarization descriptors (en)
skos:notation
  • RIV/00216224:14110/10:00059846!RIV13-MSM-14110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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  • 255501
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14110/10:00059846
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • T-WAVE MORPHOLOGY; PREDICTS CARDIAC DEATH; LONG QT SYNDROME; HEART-RATE; ELECTROCARDIOGRAPHIC QT; GENERAL-POPULATION; INTERVALS; ANGLE; VARIABILITY; DISEASE (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A2A5C17D94A5]
http://linked.open...i/riv/nazevZdroje
  • JOURNAL OF ELECTROCARDIOLOGY
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 43
http://linked.open...iv/tvurceVysledku
  • Toman, Ondřej
  • Novotný, Tomáš
  • Šišáková, Martina
  • Malik, Marek
  • Hnatkova, Katerina
http://linked.open...ain/vavai/riv/wos
  • 000284514700018
issn
  • 0022-0736
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.jelectrocard.2010.06.003
http://localhost/t...ganizacniJednotka
  • 14110
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