Arrest
ShockableFine Ventricular Fibrillation
Low-amplitude VF — easy to mistake for asystole. Still shockable.
LEAD II · 25 mm/sVF (fine)
Characteristics
- Amplitude
- < 3 mm
- Rhythm
- Chaotic
Common causes
- Prolonged untreated VF
- Same as coarse VF
ACLS treatment
- 1Treat as VF: high-quality CPR, defibrillate, epinephrine, antiarrhythmic.