Ventricular Fibrillation

Arrest

Recognition

  • Chaotic disorganised waveform
  • No discernible QRS
  • No pulse

Key findings

  • Coarse → fine VF over time

Clinical importance

  • Shockable cardiac arrest rhythm

Management pearls

  • Immediate defibrillation (200 J biphasic)
  • CPR 2 min cycles
  • Adrenaline 1 mg q3–5 min after 2nd shock
  • Amiodarone 300 mg after 3rd shock
WardRound

WardRound

Clinical Decisions in Seconds