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Beta-adrenergic-mediated influences on microscopic conduction in epicardial regions overlying infarcted myocardium

G Zuanetti, R H Hoyt, P B Corr
<span title="">1990</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
to occur in the direction transverse to fiber orientation and is dependent on the direction of activation.  ...  Despite this salutary effect on conduction velocity, arrhythmias occurred after isoproterenol because of focal activity (three of 14, 21%) or reentry (one of 14, 7%) at very short coupling intervals of  ...  Mark Cohen for development of the electrode array, Dr. Jeffrey E. Saffitz for advice and morphological expertise, and Ms. Ava Ysaguirre for preparation of the manuscript.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.67.2.284">doi:10.1161/01.res.67.2.284</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/2165442">pmid:2165442</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/uaou5tet7vg3pld72vhmlq7p54">fatcat:uaou5tet7vg3pld72vhmlq7p54</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180719104706/http://circres.ahajournals.org/content/circresaha/67/2/284.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/11/86/118658d2c18586e197648c60bc221280aa4671f5.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.67.2.284"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Epicardial Fiber Organization in Swine Right Ventricle and Its Impact on Propagation

Frederick J. Vetter, Stephen B. Simons, Sergey Mironov, Christopher J. Hyatt, Arkady M. Pertsov
<span title="2005-02-04">2005</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
To link the histological data with the observed activation patterns, resulting fiber angles were introduced into a 3D computer model to simulate the electrical activation and voltage-dependent optical  ...  The free wall of swine RV has a thin epicardial layer with distinctly different fiber orientation, which can significantly affect propagation and give rise to unusually shaped activation fronts.  ...  Top, Diamond-shaped epicardial activation pattern produced by point stimulation on the epicardial surface of swine RV.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.0000153979.71859.e7">doi:10.1161/01.res.0000153979.71859.e7</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/15618536">pmid:15618536</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/22l4vshejjh7fjb65uj3xtlkpm">fatcat:22l4vshejjh7fjb65uj3xtlkpm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180719062035/http://circres.ahajournals.org/content/circresaha/96/2/244.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/f1/53/f1531192489ddbd7577430c2ab5296e0d60eb02f.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.0000153979.71859.e7"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Ventricular activation is impaired in aged rat hearts

Stefano Rossi, Silvana Baruffi, Andrea Bertuzzi, Michele Miragoli, Domenico Corradi, Roberta Maestri, Rossella Alinovi, Antonio Mutti, Ezio Musso, Andrea Sgoifo, Donatella Brisinda, Riccardo Fenici (+1 others)
<span title="">2008</span> <i title="American Physiological Society"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yji4wqi55zhhlmsszkszvwwnnu" style="color: black;">American Journal of Physiology. Heart and Circulatory Physiology</a> </i> &nbsp;
Moreover, ventricular activation patterns displayed variable numbers of epicardial breakthrough points whose appearance could change with time.  ...  Our results show that in aged hearts delayed total ventricular activation time and abnormal activation patterns are not due to delayed myocardial conduction and suggest the occurrence of impaired impulse  ...  Moreover, since our electrode array covered a limited area of the epicardial surface, our description of activation patterns is dependent on the area explored.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.00517.2008">doi:10.1152/ajpheart.00517.2008</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18849337">pmid:18849337</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jsmfvksaxvhexe2ulcpwz6icry">fatcat:jsmfvksaxvhexe2ulcpwz6icry</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190220125454/http://pdfs.semanticscholar.org/23e1/ebcba84e2da8e874914b1ae2c14cfca211e0.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/23/e1/23e1ebcba84e2da8e874914b1ae2c14cfca211e0.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.00517.2008"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Electrocardiographic Imaging : Noninvasive Characterization of Intramural Myocardial Activation From Inverse-Reconstructed Epicardial Potentials and Electrograms

H. S. Oster, B. Taccardi, R. L. Lux, P. R. Ershler, Y. Rudy
<span title="1998-04-21">1998</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yp7myvwge5ef7jsub32vmdbdhy" style="color: black;">Circulation</a> </i> &nbsp;
Epicardial potentials showed characteristic patterns (1) early in activation, central negative region with two flanking maxima aligned with the orientation of fibers at the depth of pacing; (2) counterclockwise  ...  Accuracy of reconstructed epicardial potentials was evaluated by direct comparison to measured ones (134 electrodes). Protocols included pacing from five intramural depths.  ...  As discussed in the beginning of this section (Fig 12 and related text) , this is a consequence of the intracavitary blood and its effect on the pattern of current flow generated by the nearby activation  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.cir.97.15.1496">doi:10.1161/01.cir.97.15.1496</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/9576431">pmid:9576431</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jbwgy734d5adpo5cn2ktcwbn5y">fatcat:jbwgy734d5adpo5cn2ktcwbn5y</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20171026210420/http://circ.ahajournals.org/content/circulationaha/97/15/1496.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/f7/1f/f71fba5c9fd1443f6969bf7caaa28d31f0df52bf.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.cir.97.15.1496"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Computer simulations of three-dimensional propagation in ventricular myocardium. Effects of intramural fiber rotation and inhomogeneous conductivity on epicardial activation

A E Pollard, M J Burgess, K W Spitzer
<span title="">1993</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
Specifically, the effects of the intramural rotation of the fiber axes and inhomogeneous conductivity on the timing and pattern of epicardial activation were examined.  ...  We noted that the rotation of fiber axes accelerated epicardial activation distant from the stimulus site.  ...  The barriers had a marked effect on the activation pattern.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.72.4.744">doi:10.1161/01.res.72.4.744</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/8443866">pmid:8443866</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/twnuapamozei5evyl56r2527rm">fatcat:twnuapamozei5evyl56r2527rm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180722141840/http://circres.ahajournals.org/content/circresaha/72/4/744.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d5/bc/d5bc13a202e7243221005b0daad54f87308a256a.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.72.4.744"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Epicardial and intramural excitation during ventricular pacing: effect of myocardial structure

Bruno Taccardi, Bonnie B. Punske, Emilio Macchi, Robert S. MacLeod, Philip R. Ershler
<span title="">2008</span> <i title="American Physiological Society"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yji4wqi55zhhlmsszkszvwwnnu" style="color: black;">American Journal of Physiology. Heart and Circulatory Physiology</a> </i> &nbsp;
Epicardial and intramural excitation during ventricular pacing: effect of myocardial structure.  ...  epi-endocardial rotation of the intramural fiber direction (8, 16).  ...  Support for the development of the map3d software used in this study came from the National Institutes of Health/National Center for Research Resources Center for Integrated Biomedical Computing (P41-RR12553  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.01400.2007">doi:10.1152/ajpheart.01400.2007</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18263708">pmid:18263708</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2745833/">pmcid:PMC2745833</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/syjz4y2orzfbbhe6wtpp7ak3ye">fatcat:syjz4y2orzfbbhe6wtpp7ak3ye</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190224081642/http://pdfs.semanticscholar.org/5539/44ecdc58523a5c4efba4c8efc079226c6f04.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/55/39/553944ecdc58523a5c4efba4c8efc079226c6f04.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.01400.2007"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2745833" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Regional Left Ventricular Electric and Mechanical Activation and Relaxation⁎⁎Editorials published in the Journal of the American College of Cardiologyreflect the views of the authors and do not necessarily represent the views of JACCor the American College of Cardiology

Otto A. Smiseth, Espen W. Remme
<span title="">2006</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ssdz5shjvrai3ijjkutdhctqam" style="color: black;">Journal of the American College of Cardiology</a> </i> &nbsp;
The study by Sengupta et al. (1) in this issue of the Journal puts focus on the physiology of electromechanical activation and relaxation of the intact ventricle.  ...  There has recently been a strong clinical interest in assessing synchronization of myocardial function in heart failure patients.  ...  In addition to a direct negative effect on stroke volume, dyssynchrony may cause abnormal myocardial stresses that may lead to local hypertrophy and remodeling.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jacc.2005.10.039">doi:10.1016/j.jacc.2005.10.039</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/16386682">pmid:16386682</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/b2q7t5ypebdjtl3zlgpnqhfqym">fatcat:b2q7t5ypebdjtl3zlgpnqhfqym</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20171002182358/http://publisher-connector.core.ac.uk/resourcesync/data/elsevier/pdf/bc2/aHR0cDovL2FwaS5lbHNldmllci5jb20vY29udGVudC9hcnRpY2xlL3BpaS9zMDczNTEwOTcwNTAyNzE4eA%3D%3D.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/b6/c0/b6c0311b9b9a357b8111508c5f1079671e427ecd.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jacc.2005.10.039"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

Influences of anisotropic tissue structure on reentrant circuits in the epicardial border zone of subacute canine infarcts

S M Dillon, M A Allessie, P C Ursell, A L Wit
<span title="">1988</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
Therefore, we propose that the parallel orientation of the muscle bundles in the epicardial border zone is an important cause of ventricular tachycardia because activation transverse to myocardial fibers  ...  This slow activation occurred transverse to the long axis of the myocardial fibers and therefore might result because of the anisotropic tissue properties.  ...  originate in a thin sheet of parallel-oriented muscle fiber bundles that survive on the epicardial surface of the myocardial infarct 2 -4 -5 -9 -the epicardial border zone. 1011 In 1982 we presented  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.63.1.182">doi:10.1161/01.res.63.1.182</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/3383375">pmid:3383375</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mdicig3j5rd2bpb2qdqj3g4bau">fatcat:mdicig3j5rd2bpb2qdqj3g4bau</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180722205859/http://circres.ahajournals.org/content/circresaha/63/1/182.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/fc/f2/fcf235c09d3ffea8da664f581afe072e877dfd37.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.63.1.182"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Effect of myocardial fiber direction on epicardial potentials

B Taccardi, E Macchi, R L Lux, P R Ershler, S Spaggiari, S Baruffi, Y Vyhmeister
<span title="">1994</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yp7myvwge5ef7jsub32vmdbdhy" style="color: black;">Circulation</a> </i> &nbsp;
Understanding the relations between the architecture of myocardial fibers, the spread of excitation, and the associated ECG signals is necessary for addressing the forward problem of electrocardiography  ...  Effect of Myocardial Fiber Direction on Epicardial Potentials Bruno Taccardi, MD, PhD; Emilio Macchi, PhD; Robert L. Lux, PhD; Philip R.  ...  In the 10 remaining cases, the mixture of axial and normal effects created patterns that were difficult to interpret in terms of fiber direction.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.cir.90.6.3076">doi:10.1161/01.cir.90.6.3076</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/7994857">pmid:7994857</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/7kvxc6umujcitg6xw5tsesdnwe">fatcat:7kvxc6umujcitg6xw5tsesdnwe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180723045241/http://circ.ahajournals.org/content/circulationaha/90/6/3076.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a1/47/a147b8b84983786f4317fc905f7ffea5aac1bcba.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.cir.90.6.3076"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Page 112 of None Vol. 26, Issue 2 [page]

<span title="">1989</span> <i title="American Physiological Society"> <a target="_blank" rel="noopener" href="https://archive.org/details/None" style="color: black;">None</a> </i> &nbsp;
With the direction of propagation transverse to the axis of the fibers, the pattern of conduction is one of parallel isochrones.  ...  The influence of premature stimulation on the acti- vation wavefront of normal epicardial tissue is shown in Fig. 5. The left panel shows the activation pattern at the basic cycle length of 300 ms.  ... 
<span class="external-identifiers"> </span>
<a target="_blank" rel="noopener" href="https://archive.org/details/sim_american-journal-of-physiology_1989-08_26_2/page/112" title="read fulltext microfilm" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Archive [Microfilm] <div class="menu fulltext-thumbnail"> <img src="https://archive.org/serve/sim_american-journal-of-physiology_1989-08_26_2/__ia_thumb.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a>

The electromotive force of the ventricular free wall and papillary muscle preparations

S Mashima, K Takayanagi, G Schmidt, A Nozaki
<span title="">1985</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
(Circ Res 56: 851-856, 1985) INDEX TERMS: Ventricular activation sequence • Equivalent double layer • Subendocardial layer • Myocardial fiber orientation by guest on July 22, 2018  ...  The electromotive force of the ventricular tissues with different anatomy and activation patterns was studied.  ...  Address for reprints: Saburo Mashima, M.D., The Second Department of Internal Medicine, University of Tokyo, Tokyo 113, Japan. Received June 19, 1984; accepted for publication February 21, 1985.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.56.6.851">doi:10.1161/01.res.56.6.851</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/4006094">pmid:4006094</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/g3z4q3ms3vapdgvzaap4yuuhwm">fatcat:g3z4q3ms3vapdgvzaap4yuuhwm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180723055326/http://circres.ahajournals.org/content/circresaha/56/6/851.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/f0/f9/f0f9b09ce22319b1a06dee7bbca22bfbf3f392d2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.56.6.851"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Subepicardial segmental function during coronary stenosis and the role of myocardial fiber orientation

K P Gallagher, G Osakada, O M Hess, J A Koziol, W S Kemper, J Ross
<span title="">1982</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
A Konigsberg high fidelity pressure gauge (P-7) was inserted into the apex of the left ventricle for measurement of left ventricular pressure, and Tygon (Norton plastics) catheters by guest on August 16  ...  examination of the effect of fiber orientation on regional epicardial function.  ...  The epicardial crystals were reported to be inserted parallel to the direction of epicardial fibers, approximately perpendicular to the short axis of the ventricle, but no direct measurements of angles  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.50.3.352">doi:10.1161/01.res.50.3.352</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/7060231">pmid:7060231</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/p4t44gwhjnhkdmysdplq6upn5u">fatcat:p4t44gwhjnhkdmysdplq6upn5u</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170816173626/http://circres.ahajournals.org/content/circresaha/50/3/352.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ce/68/ce6863d40246e1f47c2690e0b176e0ad668848e0.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.50.3.352"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Nonuniform epicardial activation and repolarization properties of in vivo canine pulmonary conus

M J Burgess, B M Steinhaus, K W Spitzer, P R Ershler
<span title="">1988</span> <i title="Ovid Technologies (Wolters Kluwer Health)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zo5fftfyifagxbgtfyochmz3im" style="color: black;">Circulation Research</a> </i> &nbsp;
The results indicate that the location of sites of acceleration and deceleration is dependent on activation sequence and that refractory periods have their greatest dependence on activation sequence at  ...  In 11 experiments, an electrode array, consisting of 64 unipolar silver electrodes mounted flush in a flat epoxy disk, was sutured on the epicardium in the region of the by guest  ...  Elizabeth Hammond's expert assistance in preparation and evaluation of the histologic specimens in this study. We also thank Ms. Leona Archuleta for her excellent secretarial assistance and Ms.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.62.2.233">doi:10.1161/01.res.62.2.233</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/3338118">pmid:3338118</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/herlpgrdvbc7plucuf5ayrugne">fatcat:herlpgrdvbc7plucuf5ayrugne</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170818162517/http://circres.ahajournals.org/content/circresaha/62/2/233.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/1f/6d/1f6def2c608f34b625e60276b83deaf63bcd6e18.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1161/01.res.62.2.233"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Altered in vivo left ventricular torsion and principal strains in hypothyroid rats

Yong Chen, Aleefia Somji, Xin Yu, Julian E. Stelzer
<span title="">2010</span> <i title="American Physiological Society"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yji4wqi55zhhlmsszkszvwwnnu" style="color: black;">American Journal of Physiology. Heart and Circulatory Physiology</a> </i> &nbsp;
The sequence of electromechanical activation occurs in an endocardial-epicardial direction such that the endocardial fibers shorten first and epicardial fibers shorten last (4, 55).  ...  An indepth understanding of the effects of contractile protein composition on myocardial function requires the characterization of regional myocardial wall motion in vivo.  ...  The sequence of electromechanical activation occurs in an endocardial-epicardial direction such that the endocardial fibers shorten first and epicardial fibers shorten last (4, 55) .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.00406.2010">doi:10.1152/ajpheart.00406.2010</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/20729398">pmid:20729398</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2993195/">pmcid:PMC2993195</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/tpbfqjyohjd5tm6sjdesvuhuse">fatcat:tpbfqjyohjd5tm6sjdesvuhuse</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20181030082821/https://www.physiology.org/doi/pdf/10.1152/ajpheart.00406.2010" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/4a/64/4a64802d92e6b258ed9d8f2551c27eda31990ee8.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/ajpheart.00406.2010"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2993195" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Mechanisms of Long-Duration Ventricular Fibrillation in Human Hearts and Experimental Validation in Canine Purkinje Fibers

Nicholas Jackson, Stéphane Massé, Nima Zamiri, Mohammed Ali Azam, Patrick F.H. Lai, Marjan Kusha, John Asta, Kenneth Quadros, Benjamin King, Peter Backx, Raymond E. Ideker, Kumaraswamy Nanthakumar
<span title="">2015</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/s7mfvtuhjfgovb7ra2guvquzny" style="color: black;">JACC Clinical Electrophysiology</a> </i> &nbsp;
Endocardial, epicardial, and transmural plunge needle mapping were performed on the hearts. Simulated LDVF was studied in canine hearts to determine the potential role of Purkinje fiber automaticity.  ...  In explanted canine heart preparations, rapid pacing led to spontaneous Purkinje fiber activity that was dependent on pacing rate and duration.  ...  In LDVF, the greater presence of endocardial to epicardial needle activation patterns (54.2% of all activation patterns) and the more rapid CL on the endocardium compared with the epicardium (441 AE 80  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jacep.2015.04.003">doi:10.1016/j.jacep.2015.04.003</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29759364">pmid:29759364</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hispdz6vire5vnhblwyzpqjqn4">fatcat:hispdz6vire5vnhblwyzpqjqn4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200319150633/http://electrophysiology.onlinejacc.org/content/jcep/1/3/187.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d0/3c/d03cd95ccc25d32df3fc108bbc48cee2e625536d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jacep.2015.04.003"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>
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