Saving someone’s life might be the last thing on your mind when you step out of your front door to go shopping, head to work, pick up the kids or anything else. However, it you’re in the right place at the right time, this might be exactly what you end up doing. Cardiac arrest can strike unexpectedly and if you see someone who you think has suffered one of these medical emergencies, your actions could help to spare their lives. If there is one available, you should use an automated external defibrillator (AED). Firms like Steroplast sell state-of-the-art AEDs and these devices are now widely available in public places such…