What is referred to as refractory VF?

Refractory ventricular fibrillation (VF) is defined as the condition where ventricular fibrillation continues to occur despite the administration of multiple electrical shocks. In cases of refractory VF, the heart does not respond to defibrillation attempts, and this situation often indicates a more severe underlying cardiac issue or a critical state that may require advanced interventions.

The persistent nature of this type of VF makes it more complex to manage, as it suggests that the heart's electrical activity is so disordered that standard resuscitation efforts must be escalated or possibly other therapeutic measures must be considered. Understanding refractory VF is crucial for healthcare providers because it influences the approach to resuscitation and further treatment options, including medications and advanced life support techniques.