“Automated external defibrillator” or “defibrillator” means a medical device that:
1. Has been approved by the United States Food and Drug Administration;
2. Is capable of recognizing the presence or absence of ventricular fibrillation and rapid ventricular tachycardia in a patient;
3. Is capable of determining, without intervention by the operator of the device, whether defibrillation should be performed on a patient;
4. Upon determining that defibrillation should be performed on a patient, automatically charges and requests delivery of an electrical impulse to the patient’s heart; and
5. Upon appropriate action by the operator of the device, delivers an appropriate electrical impulse to the patient’s heart.