AED FAQs What is an AED and what does it do? Why are AEDs being placed on GOVA buses? Are AEDs available on every GOVA bus or route? How will I know if a bus has an AED? Will I be expected to use the AED? Who can use an AED? Do I need to be trained to use an AED? How does an AED work? Can an AED be used on a child? Can someone be harmed by using an AED? Can I be sued for using an AED? What should I do if someone has a cardiac arrest on the bus?