The Effect of Voltage Sensitive Dye di-4-ANEPPS on the RT/RR Coupling in Rabbit Isolated Heart

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F15%3A00456402" target="_blank" >RIV/68081731:_____/15:00456402 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26220/15:PU116299
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The Effect of Voltage Sensitive Dye di-4-ANEPPS on the RT/RR Coupling in Rabbit Isolated Heart
Original language description
Voltage sensitive dye (VSD) di-4-ANEPPS is ordinary used for optical measurement of action potential in experimental cardiology. In this work, the effect of the dye on the RT/RR coupling measured in electrograms (EG) recorded on rabbit isolated hearts was studied. The results were compared with the control experiments without VSD administration. The comparison was performed in preparation stage of the experiment that consisted of three phases: stabilization (S), VSD loading (L), and washout (W). The median and interquartile range (Q0.75-Q0.25) of the difference in RR, QT and RT/RR between the beginning and the end of the phases were computed and compared between the both groups. Delta(RT/RR), in S, L and W, was -0.095, 0.061; -0.093, 0.043; -0.027, 0.039 in di-4-ANEPPS-treated group and -0.127, 0.071; 0.006, 0.016; -0.001, 0.025 in control group. The significant difference (P<0.01) was found between two groups in L phase. Additionally, there was the significant difference in ?RR [ms] w
Czech name
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Czech description
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Project
<a href="/en/project/GAP102%2F12%2F2034" target="_blank" >GAP102/12/2034: Analysis of Relationship between Electrical Activity and Blood Flow at the Heart Ventricles</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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