ocr: Resi dent and Staff Physi ci. an Patient Education Chart Arrhythmias: Heart Block hh 1 A - - A delay or complete obstruction of the passage of the sinoatrial impulse to the ventricles * Can occur in SA node, AV node, or bundle branch system In complete heart block, the ventricles must be paced independently Reprinted with permissioniromPesdent and: Staff Physician (c)1991-92, 19931 by Romaine Pierson Publishers, Inc.
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