It was reported that the patient presented in the emergency room after receiving high voltage therapies from their implantable cardioverter defibrillator.Upon interrogation, it was noted that the patient had a ventricular tachycardia which was appropriately converted with antitachycardia pacing.However, the patient had a ventricular tachycardia storm.Due to the antitachycardia pacing being depleted, the patient went into ventricular fibrillation.Shocks were delivered but were unable to convert the rhythm.The patient was externally defibrillated.No device intervention was performed.Patient was stable and will continue to be monitored.
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