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Statements

Subject Item
n2:RIV%2F00216224%3A14110%2F10%3A00044615%21RIV11-GA0-14110___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
Monophasic action potential (MAP) can be recorded from the heart surface by optical method based on fluorescence measurement. The motion of isolated heart during experiment caused additional noise in recorded signal. The motion artifact can be eliminated by ratiometric fluorescence emission measurements. This study is based on experiments in which optical MAP measurement is done by single-wavelength and dual-wavelength measurement of fluorescence emission. Both recording setups are presented and their advantages and disadvantages are discussed. MAPs recorded by both methods from isolated rabbit hearts perfused according to Langendorff are presented. Simultaneous electrograms (EG) and MAPs recording are analyzed and measurement of velocity of impulse conduction through heart tissue is presented. Monophasic action potential (MAP) can be recorded from the heart surface by optical method based on fluorescence measurement. The motion of isolated heart during experiment caused additional noise in recorded signal. The motion artifact can be eliminated by ratiometric fluorescence emission measurements. This study is based on experiments in which optical MAP measurement is done by single-wavelength and dual-wavelength measurement of fluorescence emission. Both recording setups are presented and their advantages and disadvantages are discussed. MAPs recorded by both methods from isolated rabbit hearts perfused according to Langendorff are presented. Simultaneous electrograms (EG) and MAPs recording are analyzed and measurement of velocity of impulse conduction through heart tissue is presented.
dcterms:title
Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart
skos:prefLabel
Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart
skos:notation
RIV/00216224:14110/10:00044615!RIV11-GA0-14110___
n3:aktivita
n6:V n6:Z n6:P
n3:aktivity
P(GA102/07/1473), P(GD102/09/H083), P(GP102/07/P521), V, Z(MSM0021622402), Z(MSM0021630513)
n3:cisloPeriodika
Suppl 1
n3:dodaniDat
n8:2011
n3:domaciTvurceVysledku
n16:5074169 n16:1469517
n3:druhVysledku
n18:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
258314
n3:idVysledku
RIV/00216224:14110/10:00044615
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Voltage-Sensitive Dye; Motion Artifact; Ischemia; Calcium
n3:klicoveSlovo
n4:Calcium n4:Ischemia n4:Voltage-Sensitive%20Dye n4:Motion%20Artifact
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[576C68F63460]
n3:nazevZdroje
Physiological Research
n3:obor
n19:ED
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n7:GP102%2F07%2FP521 n7:GD102%2F09%2FH083 n7:GA102%2F07%2F1473
n3:rokUplatneniVysledku
n8:2010
n3:svazekPeriodika
vol. 59
n3:tvurceVysledku
Fialová, Kateřina Kolářová, Jana Janoušek, Oto Provazník, Ivo Nováková, Marie
n3:wos
000279049100011
n3:zamer
n13:MSM0021622402 n13:MSM0021630513
s:issn
0862-8408
s:numberOfPages
10
n5:organizacniJednotka
14110