Page 60 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
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• Treatment is usually not necessary.
Treatment
PJC
↑
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
Rhythm: Regular except for occurrence of premature beats. Rate: 60-100 beats/min or whatever the rate of the basic rhythm.
ECG Characteristics P waves: May occur before, during, or after the QRS complex of the premature beat PR interval: Short, usually 0.10 second or less, when P waves precede the QRS. QRS complex: Usually normal but may be aberrant if the PJC occurs
• • • and are usually inverted. • • •
Rhythm Premature junctional
complexes
3.12
