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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f31_58_32677

©2013 UpToDate ® Print Email Atrial activation in atrial fibrillation Spread of activation through right (upper half) and left (lower half) atria during stable atrial fibrillation. These activation maps show propagation of impulse through the atria, as visualized by color isochrones of 10 milliseconds (ms). White arrows indicate general direction of wavelets. Asterisks represent sites of impulse fragmentation and development of new wavelets. Redrawn from Allissie MA, Lammers WJEP, Bonke FIM, et al. In: Cardiac Arrhythmias, Grane &Stratton, Orlando, 1985, p. 265.