Defibrillators Australia, We are a renowned name for educational first aid training, and the supply for health of Heartsine defibrillators is our main motto. We know that cardiac arrest can happen to anyone, and having a defibrillator is easy and easy to use to save lives in an emergency situation. We have a lightweight, compact Heartsine 360p and Heartsine 500P designed to analyze heart rhythm and deliver an automatic electric shock (when needed).