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Persistent ventricular-fibrillation cardiac arrest

Educational use only. Not clinically reviewed

58-year-old man for Intraoperative ventricular-fibrillation response. About 8 simulated minutes.

What you will practise

  • Recognize pulseless ventricular fibrillation and resume chest compressions.
  • Give the adult cardiac-arrest dose of epinephrine during the third VF cycle.
  • Select the declared biphasic device energy and defibrillate persistent VF.
  • Distinguish shockable VF from non-shockable asystole or PEA.

Review and sources

Not clinically reviewed. No clinician has signed this scenario.

  • American Heart Association. Adult Cardiac Arrest Algorithm. 2025 AHA Guidelines for CPR and ECC.

Every scenario in this module

Open Sim Lab is an educational simulator, not for clinical use. It is not a clinical decision-support tool, not a dosing calculator, and is not validated for any decision affecting a real patient.