Nicholas Y. Tan, MD, MS, Chance M. Witt, MD, Christopher J

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Recurrent flash pulmonary edema due to rate-dependent left bundle branch block  Nicholas Y. Tan, MD, MS, Chance M. Witt, MD, Christopher J. McLeod, MB, ChB, PhD, FHRS, Bernard J. Gersh, MB, ChB, DPhil  HeartRhythm Case Reports  Volume 2, Issue 6, Pages 514-516 (November 2016) DOI: 10.1016/j.hrcr.2016.08.005 Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 1 Holter monitor tracings demonstrating a narrow QRS complex rhythm at lower heart rates (Top) and emergence of left bundle branch block at heart rates above 75 beats per minute (Bottom). HeartRhythm Case Reports 2016 2, 514-516DOI: (10.1016/j.hrcr.2016.08.005) Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 2 Transthoracic echocardiogram M-mode through the left ventricle showing synchronous contraction. HeartRhythm Case Reports 2016 2, 514-516DOI: (10.1016/j.hrcr.2016.08.005) Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 3 Transthoracic echocardiogram M-mode through the left ventricle showing significant abnormal delay between the anteroseptal and inferolateral wall motion. HeartRhythm Case Reports 2016 2, 514-516DOI: (10.1016/j.hrcr.2016.08.005) Copyright © 2016 Heart Rhythm Society Terms and Conditions