Page 53 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
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Treatment is usually not required.
Treatment Hold digoxin if due to digitalis
• • toxicity.
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics Rhythm: Irregular; phasic increase and decrease in rate, which may or may not be Conduction: Normal through atria, AV node, bundle branches, and ventricles.
Rate: 60-100 beats/min. related to respiration. P waves: Precede every QRS; consistent shape. PR interval: Usually normal. QRS complex: Usually normal.
• • • • • •
Rhythm Sinus arrhythmia
3.12
