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Statements

Subject Item
n2:RIV%2F68081731%3A_____%2F07%3A00092597%21RIV10-AV0-68081731
rdf:type
n8:Vysledek skos:Concept
dcterms:description
The dynamic coupling between heart rate intervals (RR) and ventricular repolarization (QT) is analyzed. The analysis is based on measurements of 11 patients with pacemaker. In each measurement, there are at least 4 abrupt changes of RR preset by the pacemaker. The QT/RR coupling was described by a 3 parameters transfer function (TRF) selected on the basis of a statistical analysis of performances of different TRF models. We found that our model is by far the best in its class: with more parameters (higher order models) the residuals remain almost the same while the extra parameters display variability much larger than that of our parameters. For all measurements, our TRF model describes more than 70 % of QT variability. The dynamic coupling between heart rate intervals (RR) and ventricular repolarization (QT) is analyzed. The analysis is based on measurements of 11 patients with pacemaker. In each measurement, there are at least 4 abrupt changes of RR preset by the pacemaker. The QT/RR coupling was described by a 3 parameters transfer function (TRF) selected on the basis of a statistical analysis of performances of different TRF models. We found that our model is by far the best in its class: with more parameters (higher order models) the residuals remain almost the same while the extra parameters display variability much larger than that of our parameters. For all measurements, our TRF model describes more than 70 % of QT variability.
dcterms:title
Dynamic QT/RR Coupling in Patients with Pacemakers Dynamic QT/RR Coupling in Patients with Pacemakers
skos:prefLabel
Dynamic QT/RR Coupling in Patients with Pacemakers Dynamic QT/RR Coupling in Patients with Pacemakers
skos:notation
RIV/68081731:_____/07:00092597!RIV10-AV0-68081731
n3:aktivita
n6:Z n6:P
n3:aktivity
P(GA102/05/0402), Z(AV0Z20650511)
n3:dodaniDat
n4:2010
n3:domaciTvurceVysledku
n10:6549845 n10:6136494 n10:9635351
n3:druhVysledku
n12:D
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
418409
n3:idVysledku
RIV/68081731:_____/07:00092597
n3:jazykVysledku
n16:eng
n3:klicovaSlova
dynamic QT/RR coupling; pacemaker
n3:klicoveSlovo
n5:pacemaker n5:dynamic%20QT%2FRR%20coupling
n3:kontrolniKodProRIV
[44B5969361AE]
n3:mistoKonaniAkce
Lyon
n3:mistoVydani
Danvers
n3:nazevZdroje
Proceedings of the 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
n3:obor
n13:FA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
9
n3:projekt
n17:GA102%2F05%2F0402
n3:rokUplatneniVysledku
n4:2007
n3:tvurceVysledku
Vondra, Vlastimil Jurák, Pavel Souček, M. Halámek, Josef Novák, M. Fráňa, P. Somers, V. K. Villa, M. Kára, J.
n3:typAkce
n14:WRD
n3:wos
000253467000233
n3:zahajeniAkce
2007-08-23+02:00
n3:zamer
n9:AV0Z20650511
s:numberOfPages
4
n21:hasPublisher
Institute of Electrical and Electronics Engineers, Inc.
n11:isbn
978-1-4244-0787-3