Page 56 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
P. 56

43  43


                     Treatment is usually not  necessary.  Treat underlying cause.  use atropine.  verapamil, flecainide,   may be successful.
                  Treatment  For symptoms from slow rate,  Antiarrhythmic therapy is often ineffective, but beta-blockers,  amiodarone, or magnesium





                     •  •  •  •










               Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)

                  ECG Characteristics Rate: 60-100 beats/min. If the rate is faster than 100 beats/min, it is called  P waves: Varying shapes (upright, flat, inverted, notched) as impulses originate in different parts of the atria or junction. At least three differ



                       multifocal atrial tachycardia (MAT). Rhythm: May be slightly irregular.  QRS complex: Usually normal.











                     •  •  •  should be seen.  •  •  •



                  Rhythm  Wandering atrial
                       pacemaker
               3.12
   51   52   53   54   55   56   57   58   59   60   61