Medtronic Physio Control LIFEPAK 20 Defibrillator (3 Lead, AED, Pacing) - RefurbishedThe LIFEPAK 20 Defibrillator uses a patented Shock Advisory System, which analyzes and indicates shockable rhythms using the patient's electrocardiographic rhythms. It guides responders with vocal and visual prompts through the proper steps of application. The configurations available offer non invasive pacing (for patients with pacemakers) or SpO2monitoring. The SpO2 monitoring utilizes a pulse oximeter to detect hypoxemia during treatment. Another