File:Spontaneous-Pro-Arrhythmic-Calcium-Signals-Disrupt-Electrical-Pacing-in-Mouse-Pulmonary-Vein-Sleeve-pone.0088649.s010.ogv

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Spontaneous-Pro-Arrhythmic-Calcium-Signals-Disrupt-Electrical-Pacing-in-Mouse-Pulmonary-Vein-Sleeve-pone.0088649.s010.ogv ‎(Ogg Theora video file, length 35 s, 480 × 400 pixels, 2.52 Mbps, file size: 10.51 MB)

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Description
English: Ca2+ signals during a Ca2+ removal and re-addition experiment. The first part of the video shows the spontaneous Ca2+ signals in PVCs before Ca2+ removal from the superfusion medium. The observed Ca2+ waves are predominantly intracellular. The second part of the video shows the absence of spontaneous Ca2+ signals after 5 minutes in Ca2+ free sHBSS (100 µM EGTA). A gradual increase in Ca2+ transients after re-addition of 1.3 mM Ca2+ is shown in the third part of the video. In contrast to the spontaneous activity seen in the first part, most of the Ca2+ waves after Ca2+ re-addition are intercellular Ca2+ waves, travelling though several cells. Strong, uncoordinated contractions develop during the Ca2+ re-addition period. Image acquisition rate 30 frames per second.
Date
Source Video S3 from Rietdorf K, Bootman M, Sanderson M (2014). "Spontaneous, Pro-Arrhythmic Calcium Signals Disrupt Electrical Pacing in Mouse Pulmonary Vein Sleeve Cells". PLOS ONE. DOI:10.1371/journal.pone.0088649. PMC: 3930634.
Author Rietdorf K, Bootman M, Sanderson M
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This file was transferred to Wikimedia Commons from PubMed Central by way of the Open Access Media Importer.
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Date/TimeThumbnailDimensionsUserComment
current18:34, 28 February 201435 s, 480 × 400 (10.51 MB)Open Access Media Importer Bot (talk | contribs)Automatically uploaded media file from Open Access source. Please report problems or suggestions here.

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Format Bitrate Download Status Encode time
VP9 360P 640 kbps Completed 08:34, 20 October 2018 1 min 35 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 321 kbps Completed 08:33, 20 October 2018 52 s
Streaming 240p (VP9) 321 kbps Completed 16:35, 16 December 2023 1.0 s
WebM 360P 508 kbps Completed 18:36, 28 February 2014 52 s
Streaming 144p (MJPEG) 1.03 Mbps Completed 22:45, 18 November 2023 2.0 s

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