 Hello, I'm Charlie McQuarter and I'm the program lead for Mid-Michigan's Regional STEMI Alert Program. And I'm Katie Langston, American Heart Association Director for the Great Lakes Bay Region. Together we're partnering to make our communities heart-safe. We're going to show you what to do as a bystander if you see someone suddenly collapse and want to perform hands-only CPR. I'm going to call 911. 911, I have someone here that's collapsed. I've sent someone for the AED. I'm going to start compressions. I'll put you on speaker until someone gets here, starting compressions now. I'm going to put my palm on my hands in the center of the chest and press hard and fast. The second part to saving somebody's life is to bring the AED to the person. The first thing you're going to do is turn the machine on. From there the machine will tell you exactly what to do. It will tell you to apply the defibrillator pads. As you can see on the pads there are pictures showing you exactly where to apply these pads. Normally as his partner I would not be stopping my pumps and pressure on the chest in resuscitation. He'd be working around me as I do these chest compressions. The only time that we're going to stop compressions is the machine is going to tell you to stop compressing because the machine is analyzing a heart rhythm. Looking for a specific type of heart rhythm causing chaos in the heart. The machine will deliver one shock to every muscle in the body causing a complete contraction and hoping that when those muscles relax that the heart starts to pump on its own. After it does that shock, if it hasn't been successful, the machine will tell you to start your CPR compressions again. You want to keep going hard and fast in the center of the chest until the machine speaks again. It'll tell you once again to go through the steps of stepping away from the patient so it can analyze and it'll shock again if it needs to. You should keep doing all of this until EMS arrives and these steps can really help you to save a life.