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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F10%3APU90373%21RIV11-GA0-26220___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
There are many different methods for diagnosis of cardiac disorders. One of them is spectral analysis of heart rate variability (HRV). Its frequency bands are standardized only for human hearts. The present study is focused on definition of frequency bands in isolated hearts of New Zealand rabbits and on analysis of changes of these bands caused by myocardial ischemia. The results of the study show that HRV of isolated hearts differs from that of intact hearts and the changes depend on the experiment phase (control, ischemia, and reperfusion). In particular, the limit between LF (low frequency) and HF (high frequency) bands is not constant in ischemic periods and reaches the same value in each reperfusion period. Thus, it is necessary to take into consideration anatomical and physiological differences between intact and isolated hearts when analysis of HRV is used for studying the heart function. There are many different methods for diagnosis of cardiac disorders. One of them is spectral analysis of heart rate variability (HRV). Its frequency bands are standardized only for human hearts. The present study is focused on definition of frequency bands in isolated hearts of New Zealand rabbits and on analysis of changes of these bands caused by myocardial ischemia. The results of the study show that HRV of isolated hearts differs from that of intact hearts and the changes depend on the experiment phase (control, ischemia, and reperfusion). In particular, the limit between LF (low frequency) and HF (high frequency) bands is not constant in ischemic periods and reaches the same value in each reperfusion period. Thus, it is necessary to take into consideration anatomical and physiological differences between intact and isolated hearts when analysis of HRV is used for studying the heart function.
dcterms:title
Determination of the Frequency Bands for Heart Rate Variability: Studies on the Intact and Isolated Rabbit Hearts Determination of the Frequency Bands for Heart Rate Variability: Studies on the Intact and Isolated Rabbit Hearts
skos:prefLabel
Determination of the Frequency Bands for Heart Rate Variability: Studies on the Intact and Isolated Rabbit Hearts Determination of the Frequency Bands for Heart Rate Variability: Studies on the Intact and Isolated Rabbit Hearts
skos:notation
RIV/00216305:26220/10:PU90373!RIV11-GA0-26220___
n4:aktivita
n16:Z n16:S n16:P
n4:aktivity
P(GA102/07/1473), P(GD102/09/H083), S, Z(MSM0021630513)
n4:dodaniDat
n18:2011
n4:domaciTvurceVysledku
n6:2015234 n6:8088586 Ronzhina, Marina n6:4096541
n4:druhVysledku
n7:D
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
253818
n4:idVysledku
RIV/00216305:26220/10:PU90373
n4:jazykVysledku
n22:eng
n4:klicovaSlova
Frequency bands of HRV, isolated heart, intact heart, New Zealand rabbit
n4:klicoveSlovo
n12:intact%20heart n12:New%20Zealand%20rabbit n12:Frequency%20bands%20of%20HRV n12:isolated%20heart
n4:kontrolniKodProRIV
[87E4473F09EA]
n4:mistoKonaniAkce
Belfast
n4:mistoVydani
Belfast, UK
n4:nazevZdroje
Computers in Cardiology
n4:obor
n8:JD
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
6
n4:projekt
n11:GD102%2F09%2FH083 n11:GA102%2F07%2F1473
n4:rokUplatneniVysledku
n18:2010
n4:tvurceVysledku
Nováková, Marie Ronzhina, Marina Janoušek, Oto Provazník, Ivo Kolářová, Jana Scheer, Peter
n4:typAkce
n17:WRD
n4:zahajeniAkce
2010-09-26+02:00
n4:zamer
n5:MSM0021630513
s:numberOfPages
4
n21:hasPublisher
IEEE
n13:isbn
978-80-214-4106-4
n10:organizacniJednotka
26220