Page 67 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
P. 67
54
Treatment is usually not necessary.
Treatment
•
Rate: Can occur at any sinus rate, usually 60-100 beats/min. P waves: Normal; precede every QRS. PR interval: Prolonged above 0.20 second. QRS complex: Usually normal. Ventricular conduction is normal.
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics Conduction: Normal through the atria, usually delayed through the AV node.
• Rhythm: Regular. • • • • •
Rhythm
First-degree AV
3.12 block
