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Volume 57, Issue 1, Pages 89-94 (January 2011)
Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking Mika Mori, MD, Hideaki Kanzaki, MD, Makoto Amaki, MD, Takahiro Ohara, MD, Takuya Hasegawa, MD, Hiroyuki Takahama, MD, Kazuhiko Hashimura, MD, Tetsuo Konno, MD, Kenshi Hayashi, MD, Masakazu Yamagishi, MD, FJCC, Masafumi Kitakaze, MD, FJCC Journal of Cardiology Volume 57, Issue 1, Pages (January 2011) DOI: /j.jjcc Copyright © 2011 Japanese College of Cardiology Terms and Conditions
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Figure 1 (A) Two-dimensional speckle tracking in the left atrial wall. Red circles represent initially set regions of interest (ROIs). White squares represent ROIs which are automatically added. White lines represent complementary lines between each ROI. (B) Representative left atrial volume curve during a cardiac cycle. LA, left atrium; LV, left ventricle; RA, right atrium; RV, right ventricle. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of the article.) Journal of Cardiology , 89-94DOI: ( /j.jjcc ) Copyright © 2011 Japanese College of Cardiology Terms and Conditions
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Figure 2 Schematic representations of time-left atrial volume curve and measurement of left atrial volume. AVC, aortic valve closure; AVO, aortic valve opening; ECG, electrocardiogram; LAVmax, maximum left atrial volume; LAVmin, minimum left atrial volume; LAVpreA, preatrial contraction left atrial volume; MVC, mitral valve closure; MVO, mitral valve opening. Journal of Cardiology , 89-94DOI: ( /j.jjcc ) Copyright © 2011 Japanese College of Cardiology Terms and Conditions
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