ocr: Resi dent and Staff Physi ci. an Patient Education Chart Arrhythmias: Atrial Fibrillation wwhwnl - - * - A a - - * . C o - - e * Atria Many have stimuli no produce coordinated twiching, contractions which appears as small, irregular waves Reprinted with permissionifomResident and: Staff Physician (c)1991-92, 19931 by Romaine Pierson Publishers, Inc.