Page 71 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
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Treatment Atropine is usually not effective. With severely decreased cardiac output, perform CPR until pacemaker available.
Pacemaker.
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Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics Rate: Atrial rate is usually normal; ventricular rate is 45 beats/min. P waves: Normal but dissociated from QRS complexes. PR interval: No consistent PR intervals because there is no relationship between QRS complex: Normal if
Rhythm: Regular. P waves and QRS complexes. controlled by a ventricular rhythm. if a ventricular escape rhythm occurs.
• • • • • •
Rhythm Third-degree AV block (complete)
3.12
