KOLÁŘOVÁ, Jana, Kateřina FIALOVÁ, Oto JANOUŠEK, Marie NOVÁKOVÁ a Ivo PROVAZNÍK. Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart. Physiological Research. 2010, vol. 59, Suppl 1, s. S71-S80, 10 s. ISSN 0862-8408. |
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@article{895673, author = {Kolářová, Jana and Fialová, Kateřina and Janoušek, Oto and Nováková, Marie and Provazník, Ivo}, article_number = {Suppl 1}, keywords = {Voltage-Sensitive Dye; Motion Artifact; Ischemia; Calcium}, language = {eng}, issn = {0862-8408}, journal = {Physiological Research}, title = {Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart}, url = {http://apps.isiknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=2&SID=P2OFFFD6GA56C3HOpNO&page=1&doc=1}, volume = {vol. 59}, year = {2010} }
TY - JOUR ID - 895673 AU - Kolářová, Jana - Fialová, Kateřina - Janoušek, Oto - Nováková, Marie - Provazník, Ivo PY - 2010 TI - Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart JF - Physiological Research VL - vol. 59 IS - Suppl 1 SP - S71-S80 EP - S71-S80 SN - 08628408 KW - Voltage-Sensitive Dye KW - Motion Artifact KW - Ischemia KW - Calcium UR - http://apps.isiknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=2&SID=P2OFFFD6GA56C3HOpNO&page=1&doc=1 N2 - 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. ER -
KOLÁŘOVÁ, Jana, Kateřina FIALOVÁ, Oto JANOUŠEK, Marie NOVÁKOVÁ a Ivo PROVAZNÍK. Experimental Methods for Simultaneous Measurement of Action Potentials and Electrograms in Isolated Heart. \textit{Physiological Research}. 2010, vol. 59, Suppl 1, s.~S71-S80, 10 s. ISSN~0862-8408.
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