Page 65 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
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Immediate defibrillation. is available. Amiodarone, lidocaine, After conversion, use conversion to prevent recurrence.
Treatment CPR required until defibrillator magnesium are commonly IV antiarrhythmic that facilitates
• • • used. •
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics QRS complex: No formed QRS complexes seen; rapid, irregular undulations without Conduction: Multiple ectopic foci firing simultaneously in ventricles and depolarizing them irregularly and without any organized pattern. Ventricle
Rate: Rapid, uncoordinated, ineffective. Rhythm: Chaotic, irregular. P waves: None seen. PR interval: None. any specific pattern.
• • • • • •
Rhythm
Ventricular fibrillation
3.12
