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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 f12_17_12562

©2013 UpToDate ® Print Email Schematic representation of Koch's triangle and environment Around the compact atrioventricular (AV) node is an extended zone with transitional cells. LBB: left bundle branch; RBB: right bundle branch.