Page 61 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
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Treatment is rarely needed unless rate is too slow or too fast to maintain adequate CO. Atropine is used to increase beta-blockers is used to decrease Withhold digitalis if digitalis
Treatment Verapamil, propranolol, or toxicity is suspected.
• • rate. • rate. •
60-100 beats/min; junctional tachycardia, 100-250 beats/min. P waves: May precede or follow QRS. PR interval: Short, 0.11 second or less if P waves precede QRS. QRS complex: Usually normal. Conduction: Retrograde through the atria; normal thr
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics Rate: Junctional rhythm, 40-60 beats/min; accelerated junctional rhythm,
• Rhythm: Regular. • • • • • .
Rhythm Junctional rhythm
3.12
